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25 // 22 //
26 ////////////////////////////////////////////// 23 ////////////////////////////////////////////////////////////////////////
27 // Optical Photon Boundary Process Class Imple 24 // Optical Photon Boundary Process Class Implementation
28 ////////////////////////////////////////////// 25 ////////////////////////////////////////////////////////////////////////
29 // 26 //
30 // File: G4OpBoundaryProcess.cc 27 // File: G4OpBoundaryProcess.cc
31 // Description: Discrete Process -- reflection 28 // Description: Discrete Process -- reflection/refraction at
32 // optical in 29 // optical interfaces
33 // Version: 1.1 30 // Version: 1.1
34 // Created: 1997-06-18 31 // Created: 1997-06-18
35 // Modified: 1998-05-25 - Correct parallel 32 // Modified: 1998-05-25 - Correct parallel component of polarization
36 // (thanks to: Stefa 33 // (thanks to: Stefano Magni + Giovanni Pieri)
37 // 1998-05-28 - NULL Rindex point 34 // 1998-05-28 - NULL Rindex pointer before reuse
38 // (thanks to: Stefa 35 // (thanks to: Stefano Magni)
39 // 1998-06-11 - delete *sint1 in 36 // 1998-06-11 - delete *sint1 in oblique reflection
40 // (thanks to: Giova 37 // (thanks to: Giovanni Pieri)
41 // 1998-06-19 - move from GetLoca << 38 // 1998-06-19 - move from GetLocalExitNormal() to the new
42 // method: GetLocalE 39 // method: GetLocalExitNormal(&valid) to get
43 // the surface norma 40 // the surface normal in all cases
44 // 1998-11-07 - NULL OpticalSurfa 41 // 1998-11-07 - NULL OpticalSurface pointer before use
45 // comparison not sh << 42 // comparison not sharp for: abs(cost1) < 1.0
46 // remove sin1, sin2 43 // remove sin1, sin2 in lines 556,567
47 // (thanks to Stefan 44 // (thanks to Stefano Magni)
48 // 1999-10-10 - Accommodate chang 45 // 1999-10-10 - Accommodate changes done in DoAbsorption by
49 // changing logic in 46 // changing logic in DielectricMetal
50 // 2001-10-18 - avoid Linux (gcc- 47 // 2001-10-18 - avoid Linux (gcc-2.95.2) warning about variables
51 // might be used uni 48 // might be used uninitialized in this function
52 // moved E2_perp, E2 49 // moved E2_perp, E2_parl and E2_total out of 'if'
53 // 2003-11-27 - Modified line 168 50 // 2003-11-27 - Modified line 168-9 to reflect changes made to
54 // G4OpticalSurface 51 // G4OpticalSurface class ( by Fan Lei)
55 // 2004-02-02 - Set theStatus = U 52 // 2004-02-02 - Set theStatus = Undefined at start of DoIt
56 // 2005-07-28 - add G4ProcessType <<
57 // 2006-11-04 - add capability of <<
58 // off a metal surfa <<
59 // of refraction - T <<
60 // Hauptman (Dept. o <<
61 // 2009-11-10 - add capability of <<
62 // with Look-Up-Tabl <<
63 // optical reflectan <<
64 // treatments - Than <<
65 // William Moses (La <<
66 // 2013-06-01 - add the capabilit <<
67 // of a dichronic fi <<
68 // 2017-02-24 - add capability of <<
69 // with Look-Up-Tabl <<
70 // 53 //
71 // Author: Peter Gumplinger 54 // Author: Peter Gumplinger
72 // adopted from work by Werner Keil - April 55 // adopted from work by Werner Keil - April 2/96
>> 56 // mail: gum@triumf.ca
73 // 57 //
74 ////////////////////////////////////////////// 58 ////////////////////////////////////////////////////////////////////////
75 59
>> 60 #include "G4ios.hh"
76 #include "G4OpBoundaryProcess.hh" 61 #include "G4OpBoundaryProcess.hh"
77 62
78 #include "G4ios.hh" << 63 /////////////////////////
79 #include "G4GeometryTolerance.hh" << 64 // Class Implementation
80 #include "G4LogicalBorderSurface.hh" << 65 /////////////////////////
81 #include "G4LogicalSkinSurface.hh" <<
82 #include "G4OpProcessSubType.hh" <<
83 #include "G4OpticalParameters.hh" <<
84 #include "G4ParallelWorldProcess.hh" <<
85 #include "G4PhysicalConstants.hh" <<
86 #include "G4SystemOfUnits.hh" <<
87 #include "G4TransportationManager.hh" <<
88 #include "G4VSensitiveDetector.hh" <<
89 <<
90 //....oooOO0OOooo........oooOO0OOooo........oo <<
91 G4OpBoundaryProcess::G4OpBoundaryProcess(const <<
92 G4Pro <<
93 : G4VDiscreteProcess(processName, ptype) <<
94 { <<
95 Initialise(); <<
96 66
97 if(verboseLevel > 0) << 67 //////////////
98 { << 68 // Operators
99 G4cout << GetProcessName() << " is created << 69 //////////////
100 } <<
101 SetProcessSubType(fOpBoundary); <<
102 <<
103 fStatus = Undefined; <<
104 fModel = glisur; <<
105 fFinish = polished; <<
106 fReflectivity = 1.; <<
107 fEfficiency = 0.; <<
108 fTransmittance = 0.; <<
109 fSurfaceRoughness = 0.; <<
110 fProb_sl = 0.; <<
111 fProb_ss = 0.; <<
112 fProb_bs = 0.; <<
113 <<
114 fRealRIndexMPV = nullptr; <<
115 fImagRIndexMPV = nullptr; <<
116 fMaterial1 = nullptr; <<
117 fMaterial2 = nullptr; <<
118 fOpticalSurface = nullptr; <<
119 fCarTolerance = G4GeometryTolerance::GetIn <<
120 <<
121 f_iTE = f_iTM = 0; <<
122 fPhotonMomentum = 0.; <<
123 fRindex1 = fRindex2 = 1.; <<
124 fSint1 = 0.; <<
125 fDichroicVector = nullptr; <<
126 } <<
127 70
128 //....oooOO0OOooo........oooOO0OOooo........oo << 71 // G4OpBoundaryProcess::operator=(const G4OpBoundaryProcess &right)
129 G4OpBoundaryProcess::~G4OpBoundaryProcess() = << 72 // {
>> 73 // }
130 74
131 //....oooOO0OOooo........oooOO0OOooo........oo << 75 /////////////////
132 void G4OpBoundaryProcess::PreparePhysicsTable( << 76 // Constructors
133 { << 77 /////////////////
134 Initialise(); <<
135 } <<
136 78
137 //....oooOO0OOooo........oooOO0OOooo........oo << 79 G4OpBoundaryProcess::G4OpBoundaryProcess(const G4String& processName)
138 void G4OpBoundaryProcess::Initialise() << 80 : G4VDiscreteProcess(processName)
139 { 81 {
140 G4OpticalParameters* params = G4OpticalParam << 82 if ( verboseLevel > 0) {
141 SetInvokeSD(params->GetBoundaryInvokeSD()); << 83 G4cout << GetProcessName() << " is created " << G4endl;
142 SetVerboseLevel(params->GetBoundaryVerboseLe <<
143 } <<
144 <<
145 //....oooOO0OOooo........oooOO0OOooo........oo <<
146 G4VParticleChange* G4OpBoundaryProcess::PostSt <<
147 <<
148 { <<
149 fStatus = Undefined; <<
150 aParticleChange.Initialize(aTrack); <<
151 aParticleChange.ProposeVelocity(aTrack.GetVe <<
152 <<
153 // Get hyperStep from G4ParallelWorldProces <<
154 // NOTE: PostSetpDoIt of this process to be <<
155 // G4ParallelWorldProcess! <<
156 const G4Step* pStep = &aStep; <<
157 const G4Step* hStep = G4ParallelWorldProcess <<
158 if(hStep != nullptr) <<
159 pStep = hStep; <<
160 <<
161 if(pStep->GetPostStepPoint()->GetStepStatus( <<
162 { <<
163 fMaterial1 = pStep->GetPreStepPoint()->Get <<
164 fMaterial2 = pStep->GetPostStepPoint()->Ge <<
165 } <<
166 else <<
167 { <<
168 fStatus = NotAtBoundary; <<
169 if(verboseLevel > 1) <<
170 BoundaryProcessVerbose(); <<
171 return G4VDiscreteProcess::PostStepDoIt(aT <<
172 } <<
173 <<
174 G4VPhysicalVolume* thePrePV = pStep->GetPre <<
175 G4VPhysicalVolume* thePostPV = pStep->GetPos <<
176 <<
177 if(verboseLevel > 1) <<
178 { <<
179 G4cout << " Photon at Boundary! " << G4end <<
180 if(thePrePV != nullptr) <<
181 G4cout << " thePrePV: " << thePrePV->Ge <<
182 if(thePostPV != nullptr) <<
183 G4cout << " thePostPV: " << thePostPV->G <<
184 } <<
185 <<
186 G4double stepLength = aTrack.GetStepLength() <<
187 if(stepLength <= fCarTolerance) <<
188 { <<
189 fStatus = StepTooSmall; <<
190 if(verboseLevel > 1) <<
191 BoundaryProcessVerbose(); <<
192 <<
193 G4MaterialPropertyVector* groupvel = nullp <<
194 G4MaterialPropertiesTable* aMPT = fMateria <<
195 if(aMPT != nullptr) <<
196 { <<
197 groupvel = aMPT->GetProperty(kGROUPVEL); <<
198 } <<
199 <<
200 if(groupvel != nullptr) <<
201 { <<
202 aParticleChange.ProposeVelocity( <<
203 groupvel->Value(fPhotonMomentum, idx_g <<
204 } <<
205 return G4VDiscreteProcess::PostStepDoIt(aT <<
206 } <<
207 else if (stepLength <= 10.*fCarTolerance && <<
208 { // see bug 2510 <<
209 ++fNumSmallStepWarnings; <<
210 if(verboseLevel > 0) <<
211 { <<
212 G4ExceptionDescription ed; <<
213 ed << "G4OpBoundaryProcess: " <<
214 << "Opticalphoton step length: " << s <<
215 << "This is larger than the threshold <<
216 "to set status StepTooSmall." << G <<
217 << "Boundary scattering may be incorr <<
218 if(fNumSmallStepWarnings == 10) <<
219 { <<
220 ed << G4endl << "*** Step size warning <<
221 } <<
222 G4Exception("G4OpBoundaryProcess", "OpBo <<
223 } <<
224 } <<
225 <<
226 const G4DynamicParticle* aParticle = aTrack. <<
227 <<
228 fPhotonMomentum = aParticle->GetTotalMoment <<
229 fOldMomentum = aParticle->GetMomentumDir <<
230 fOldPolarization = aParticle->GetPolarizatio <<
231 <<
232 if(verboseLevel > 1) <<
233 { <<
234 G4cout << " Old Momentum Direction: " << f <<
235 << " Old Polarization: " << f <<
236 } <<
237 <<
238 G4ThreeVector theGlobalPoint = pStep->GetPos <<
239 G4bool valid; <<
240 <<
241 // ID of Navigator which limits step <<
242 G4int hNavId = G4ParallelWorldProcess::GetHy <<
243 auto iNav = G4TransportationManager::GetT <<
244 ->GetActiveNavigatorsIterator( <<
245 fGlobalNormal = (iNav[hNavId])->GetGlobalExi <<
246 <<
247 if(valid) <<
248 { <<
249 fGlobalNormal = -fGlobalNormal; <<
250 } <<
251 else <<
252 { <<
253 G4ExceptionDescription ed; <<
254 ed << " G4OpBoundaryProcess/PostStepDoIt() <<
255 << " The Navigator reports that it retu <<
256 G4Exception( <<
257 "G4OpBoundaryProcess::PostStepDoIt", "Op <<
258 "Invalid Surface Normal - Geometry must <<
259 } <<
260 <<
261 if(fOldMomentum * fGlobalNormal > 0.0) <<
262 { <<
263 #ifdef G4OPTICAL_DEBUG <<
264 G4ExceptionDescription ed; <<
265 ed << " G4OpBoundaryProcess/PostStepDoIt() <<
266 "wrong direction. " <<
267 << G4endl <<
268 << " The momentum of the photon arriv <<
269 << " must exit the volume cross in th <<
270 << " So it MUST have dot < 0 with the <<
271 "volume (globalNormal)." <<
272 << G4endl << " >> The dot product of <<
273 << fOldMomentum * fGlobalNormal << G4en <<
274 << " Old Momentum (during step) <<
275 << " Global Normal (Exiting New Vol <<
276 << G4endl; <<
277 G4Exception("G4OpBoundaryProcess::PostStep <<
278 EventMustBeAborted, // Or Jus <<
279 // repeat <<
280 ed, <<
281 "Invalid Surface Normal - Geom <<
282 "normal pointing in the right <<
283 #else <<
284 fGlobalNormal = -fGlobalNormal; <<
285 #endif <<
286 } <<
287 <<
288 G4MaterialPropertyVector* rIndexMPV = nullpt <<
289 G4MaterialPropertiesTable* MPT = fMaterial1- <<
290 if(MPT != nullptr) <<
291 { <<
292 rIndexMPV = MPT->GetProperty(kRINDEX); <<
293 } <<
294 if(rIndexMPV != nullptr) <<
295 { <<
296 fRindex1 = rIndexMPV->Value(fPhotonMomentu <<
297 } <<
298 else <<
299 { <<
300 fStatus = NoRINDEX; <<
301 if(verboseLevel > 1) <<
302 BoundaryProcessVerbose(); <<
303 aParticleChange.ProposeLocalEnergyDeposit( <<
304 aParticleChange.ProposeTrackStatus(fStopAn <<
305 return G4VDiscreteProcess::PostStepDoIt(aT <<
306 } <<
307 <<
308 fReflectivity = 1.; <<
309 fEfficiency = 0.; <<
310 fTransmittance = 0.; <<
311 fSurfaceRoughness = 0.; <<
312 fModel = glisur; <<
313 fFinish = polished; <<
314 G4SurfaceType type = dielectric_dielectric; <<
315 <<
316 rIndexMPV = nullptr; <<
317 fOpticalSurface = nullptr; <<
318 <<
319 G4LogicalSurface* surface = <<
320 G4LogicalBorderSurface::GetSurface(thePreP <<
321 if(surface == nullptr) <<
322 { <<
323 if(thePostPV->GetMotherLogical() == thePre <<
324 { <<
325 surface = G4LogicalSkinSurface::GetSurfa <<
326 if(surface == nullptr) <<
327 { <<
328 surface = <<
329 G4LogicalSkinSurface::GetSurface(the <<
330 } <<
331 } <<
332 else <<
333 { <<
334 surface = G4LogicalSkinSurface::GetSurfa <<
335 if(surface == nullptr) <<
336 { <<
337 surface = <<
338 G4LogicalSkinSurface::GetSurface(the <<
339 } <<
340 } <<
341 } <<
342 <<
343 if(surface != nullptr) <<
344 { <<
345 fOpticalSurface = <<
346 dynamic_cast<G4OpticalSurface*>(surface- <<
347 } <<
348 if(fOpticalSurface != nullptr) <<
349 { <<
350 type = fOpticalSurface->GetType(); <<
351 fModel = fOpticalSurface->GetModel(); <<
352 fFinish = fOpticalSurface->GetFinish(); <<
353 <<
354 G4MaterialPropertiesTable* sMPT = <<
355 fOpticalSurface->GetMaterialPropertiesTa <<
356 if(sMPT != nullptr) <<
357 { <<
358 if(fFinish == polishedbackpainted || fFi <<
359 { <<
360 rIndexMPV = sMPT->GetProperty(kRINDEX) <<
361 if(rIndexMPV != nullptr) <<
362 { <<
363 fRindex2 = rIndexMPV->Value(fPhotonM <<
364 } 84 }
365 else <<
366 { <<
367 fStatus = NoRINDEX; <<
368 if(verboseLevel > 1) <<
369 BoundaryProcessVerbose(); <<
370 aParticleChange.ProposeLocalEnergyDe <<
371 aParticleChange.ProposeTrackStatus(f <<
372 return G4VDiscreteProcess::PostStepD <<
373 } <<
374 } <<
375 85
376 fRealRIndexMPV = sMPT->GetProperty(kREAL << 86 theStatus = Undefined;
377 fImagRIndexMPV = sMPT->GetProperty(kIMAG << 87 theModel = glisur;
378 f_iTE = f_iTM = 1; << 88 theFinish = polished;
379 << 89 theReflectivity = 1.;
380 G4MaterialPropertyVector* pp; << 90 theEfficiency = 0.;
381 if((pp = sMPT->GetProperty(kREFLECTIVITY << 91
382 { << 92 prob_sl = 0.;
383 fReflectivity = pp->Value(fPhotonMomen << 93 prob_ss = 0.;
384 } << 94 prob_bs = 0.;
385 else if(fRealRIndexMPV && fImagRIndexMPV <<
386 { <<
387 CalculateReflectivity(); <<
388 } <<
389 <<
390 if((pp = sMPT->GetProperty(kEFFICIENCY)) <<
391 { <<
392 fEfficiency = pp->Value(fPhotonMomentu <<
393 } <<
394 if((pp = sMPT->GetProperty(kTRANSMITTANC <<
395 { <<
396 fTransmittance = pp->Value(fPhotonMome <<
397 } <<
398 if(sMPT->ConstPropertyExists(kSURFACEROU <<
399 { <<
400 fSurfaceRoughness = sMPT->GetConstProp <<
401 } <<
402 <<
403 if(fModel == unified) <<
404 { <<
405 fProb_sl = (pp = sMPT->GetProperty(kSP <<
406 ? pp->Value(fPhotonMoment <<
407 : 0.; <<
408 fProb_ss = (pp = sMPT->GetProperty(kSP <<
409 ? pp->Value(fPhotonMoment <<
410 : 0.; <<
411 fProb_bs = (pp = sMPT->GetProperty(kBA <<
412 ? pp->Value(fPhotonMoment <<
413 : 0.; <<
414 } <<
415 } // end of if(sMPT) <<
416 else if(fFinish == polishedbackpainted || <<
417 { <<
418 aParticleChange.ProposeLocalEnergyDeposi <<
419 aParticleChange.ProposeTrackStatus(fStop <<
420 return G4VDiscreteProcess::PostStepDoIt( <<
421 } <<
422 } // end of if(fOpticalSurface) <<
423 <<
424 // DIELECTRIC-DIELECTRIC <<
425 if(type == dielectric_dielectric) <<
426 { <<
427 if(fFinish == polished || fFinish == groun <<
428 { <<
429 if(fMaterial1 == fMaterial2) <<
430 { <<
431 fStatus = SameMaterial; <<
432 if(verboseLevel > 1) <<
433 BoundaryProcessVerbose(); <<
434 return G4VDiscreteProcess::PostStepDoI <<
435 } <<
436 MPT = fMaterial2->GetMaterialPrope <<
437 rIndexMPV = nullptr; <<
438 if(MPT != nullptr) <<
439 { <<
440 rIndexMPV = MPT->GetProperty(kRINDEX); <<
441 } <<
442 if(rIndexMPV != nullptr) <<
443 { <<
444 fRindex2 = rIndexMPV->Value(fPhotonMom <<
445 } <<
446 else <<
447 { <<
448 fStatus = NoRINDEX; <<
449 if(verboseLevel > 1) <<
450 BoundaryProcessVerbose(); <<
451 aParticleChange.ProposeLocalEnergyDepo <<
452 aParticleChange.ProposeTrackStatus(fSt <<
453 return G4VDiscreteProcess::PostStepDoI <<
454 } <<
455 } <<
456 if(fFinish == polishedbackpainted || fFini <<
457 { <<
458 DielectricDielectric(); <<
459 } <<
460 else <<
461 { <<
462 G4double rand = G4UniformRand(); <<
463 if(rand > fReflectivity + fTransmittance <<
464 { <<
465 DoAbsorption(); <<
466 } <<
467 else if(rand > fReflectivity) <<
468 { <<
469 fStatus = Transmission; <<
470 fNewMomentum = fOldMomentum; <<
471 fNewPolarization = fOldPolarization; <<
472 } <<
473 else <<
474 { <<
475 if(fFinish == polishedfrontpainted) <<
476 { <<
477 DoReflection(); <<
478 } <<
479 else if(fFinish == groundfrontpainted) <<
480 { <<
481 fStatus = LambertianReflection; <<
482 DoReflection(); <<
483 } <<
484 else <<
485 { <<
486 DielectricDielectric(); <<
487 } <<
488 } <<
489 } <<
490 } <<
491 else if(type == dielectric_metal) <<
492 { <<
493 DielectricMetal(); <<
494 } <<
495 else if(type == dielectric_LUT) <<
496 { <<
497 DielectricLUT(); <<
498 } <<
499 else if(type == dielectric_LUTDAVIS) <<
500 { <<
501 DielectricLUTDAVIS(); <<
502 } <<
503 else if(type == dielectric_dichroic) <<
504 { <<
505 DielectricDichroic(); <<
506 } <<
507 else if(type == coated) <<
508 { <<
509 CoatedDielectricDielectric(); <<
510 } <<
511 else <<
512 { <<
513 if(fNumBdryTypeWarnings <= 10) <<
514 { <<
515 ++fNumBdryTypeWarnings; <<
516 if(verboseLevel > 0) <<
517 { <<
518 G4ExceptionDescription ed; <<
519 ed << " PostStepDoIt(): Illegal bounda <<
520 if(fNumBdryTypeWarnings == 10) <<
521 { <<
522 ed << "** Boundary type warnings sto <<
523 } <<
524 G4Exception("G4OpBoundaryProcess", "Op <<
525 } <<
526 } <<
527 return G4VDiscreteProcess::PostStepDoIt(aT <<
528 } <<
529 <<
530 fNewMomentum = fNewMomentum.unit(); <<
531 fNewPolarization = fNewPolarization.unit(); <<
532 <<
533 if(verboseLevel > 1) <<
534 { <<
535 G4cout << " New Momentum Direction: " << f <<
536 << " New Polarization: " << f <<
537 BoundaryProcessVerbose(); <<
538 } <<
539 <<
540 aParticleChange.ProposeMomentumDirection(fNe <<
541 aParticleChange.ProposePolarization(fNewPola <<
542 <<
543 if(fStatus == FresnelRefraction || fStatus = <<
544 { <<
545 // not all surface types check that fMater <<
546 G4MaterialPropertiesTable* aMPT = fMateria <<
547 G4MaterialPropertyVector* groupvel = nullp <<
548 if(aMPT != nullptr) <<
549 { <<
550 groupvel = aMPT->GetProperty(kGROUPVEL); <<
551 } <<
552 if(groupvel != nullptr) <<
553 { <<
554 aParticleChange.ProposeVelocity( <<
555 groupvel->Value(fPhotonMomentum, idx_g <<
556 } <<
557 } <<
558 <<
559 if(fStatus == Detection && fInvokeSD) <<
560 InvokeSD(pStep); <<
561 return G4VDiscreteProcess::PostStepDoIt(aTra <<
562 } <<
563 <<
564 //....oooOO0OOooo........oooOO0OOooo........oo <<
565 void G4OpBoundaryProcess::BoundaryProcessVerbo <<
566 { <<
567 G4cout << " *** "; <<
568 if(fStatus == Undefined) <<
569 G4cout << "Undefined"; <<
570 else if(fStatus == Transmission) <<
571 G4cout << "Transmission"; <<
572 else if(fStatus == FresnelRefraction) <<
573 G4cout << "FresnelRefraction"; <<
574 else if(fStatus == FresnelReflection) <<
575 G4cout << "FresnelReflection"; <<
576 else if(fStatus == TotalInternalReflection) <<
577 G4cout << "TotalInternalReflection"; <<
578 else if(fStatus == LambertianReflection) <<
579 G4cout << "LambertianReflection"; <<
580 else if(fStatus == LobeReflection) <<
581 G4cout << "LobeReflection"; <<
582 else if(fStatus == SpikeReflection) <<
583 G4cout << "SpikeReflection"; <<
584 else if(fStatus == BackScattering) <<
585 G4cout << "BackScattering"; <<
586 else if(fStatus == PolishedLumirrorAirReflec <<
587 G4cout << "PolishedLumirrorAirReflection"; <<
588 else if(fStatus == PolishedLumirrorGlueRefle <<
589 G4cout << "PolishedLumirrorGlueReflection" <<
590 else if(fStatus == PolishedAirReflection) <<
591 G4cout << "PolishedAirReflection"; <<
592 else if(fStatus == PolishedTeflonAirReflecti <<
593 G4cout << "PolishedTeflonAirReflection"; <<
594 else if(fStatus == PolishedTiOAirReflection) <<
595 G4cout << "PolishedTiOAirReflection"; <<
596 else if(fStatus == PolishedTyvekAirReflectio <<
597 G4cout << "PolishedTyvekAirReflection"; <<
598 else if(fStatus == PolishedVM2000AirReflecti <<
599 G4cout << "PolishedVM2000AirReflection"; <<
600 else if(fStatus == PolishedVM2000GlueReflect <<
601 G4cout << "PolishedVM2000GlueReflection"; <<
602 else if(fStatus == EtchedLumirrorAirReflecti <<
603 G4cout << "EtchedLumirrorAirReflection"; <<
604 else if(fStatus == EtchedLumirrorGlueReflect <<
605 G4cout << "EtchedLumirrorGlueReflection"; <<
606 else if(fStatus == EtchedAirReflection) <<
607 G4cout << "EtchedAirReflection"; <<
608 else if(fStatus == EtchedTeflonAirReflection <<
609 G4cout << "EtchedTeflonAirReflection"; <<
610 else if(fStatus == EtchedTiOAirReflection) <<
611 G4cout << "EtchedTiOAirReflection"; <<
612 else if(fStatus == EtchedTyvekAirReflection) <<
613 G4cout << "EtchedTyvekAirReflection"; <<
614 else if(fStatus == EtchedVM2000AirReflection <<
615 G4cout << "EtchedVM2000AirReflection"; <<
616 else if(fStatus == EtchedVM2000GlueReflectio <<
617 G4cout << "EtchedVM2000GlueReflection"; <<
618 else if(fStatus == GroundLumirrorAirReflecti <<
619 G4cout << "GroundLumirrorAirReflection"; <<
620 else if(fStatus == GroundLumirrorGlueReflect <<
621 G4cout << "GroundLumirrorGlueReflection"; <<
622 else if(fStatus == GroundAirReflection) <<
623 G4cout << "GroundAirReflection"; <<
624 else if(fStatus == GroundTeflonAirReflection <<
625 G4cout << "GroundTeflonAirReflection"; <<
626 else if(fStatus == GroundTiOAirReflection) <<
627 G4cout << "GroundTiOAirReflection"; <<
628 else if(fStatus == GroundTyvekAirReflection) <<
629 G4cout << "GroundTyvekAirReflection"; <<
630 else if(fStatus == GroundVM2000AirReflection <<
631 G4cout << "GroundVM2000AirReflection"; <<
632 else if(fStatus == GroundVM2000GlueReflectio <<
633 G4cout << "GroundVM2000GlueReflection"; <<
634 else if(fStatus == Absorption) <<
635 G4cout << "Absorption"; <<
636 else if(fStatus == Detection) <<
637 G4cout << "Detection"; <<
638 else if(fStatus == NotAtBoundary) <<
639 G4cout << "NotAtBoundary"; <<
640 else if(fStatus == SameMaterial) <<
641 G4cout << "SameMaterial"; <<
642 else if(fStatus == StepTooSmall) <<
643 G4cout << "StepTooSmall"; <<
644 else if(fStatus == NoRINDEX) <<
645 G4cout << "NoRINDEX"; <<
646 else if(fStatus == Dichroic) <<
647 G4cout << "Dichroic Transmission"; <<
648 else if(fStatus == CoatedDielectricReflectio <<
649 G4cout << "Coated Dielectric Reflection"; <<
650 else if(fStatus == CoatedDielectricRefractio <<
651 G4cout << "Coated Dielectric Refraction"; <<
652 else if(fStatus == CoatedDielectricFrustrate <<
653 G4cout << "Coated Dielectric Frustrated Tr <<
654 95
655 G4cout << " ***" << G4endl; <<
656 } 96 }
657 97
658 //....oooOO0OOooo........oooOO0OOooo........oo << 98 // G4OpBoundaryProcess::G4OpBoundaryProcess(const G4OpBoundaryProcess &right)
659 G4ThreeVector G4OpBoundaryProcess::GetFacetNor << 99 // {
660 const G4ThreeVector& momentum, const G4Three << 100 // }
661 { <<
662 G4ThreeVector facetNormal; <<
663 if(fModel == unified || fModel == LUT || fMo <<
664 { <<
665 /* This function codes alpha to a random v <<
666 distribution p(alpha) = g(alpha; 0, sigma_ <<
667 for alpha > 0 and alpha < 90, where g(alph <<
668 gaussian distribution with mean 0 and stan <<
669 <<
670 G4double sigma_alpha = 0.0; <<
671 if(fOpticalSurface) <<
672 sigma_alpha = fOpticalSurface->GetSigmaA <<
673 if(sigma_alpha == 0.0) <<
674 { <<
675 return normal; <<
676 } <<
677 <<
678 G4double f_max = std::min(1.0, 4. * sigma_ <<
679 G4double alpha, phi, sinAlpha; <<
680 <<
681 do <<
682 { // Loop checking, 13-Aug-2015, Peter Gu <<
683 do <<
684 { // Loop checking, 13-Aug-2015, Peter <<
685 alpha = G4RandGauss::shoot(0.0, sig <<
686 sinAlpha = std::sin(alpha); <<
687 } while(G4UniformRand() * f_max > sinAlp <<
688 <<
689 phi = G4UniformRand() * twopi; <<
690 facetNormal.set(sinAlpha * std::cos(phi) <<
691 std::cos(alpha)); <<
692 facetNormal.rotateUz(normal); <<
693 } while(momentum * facetNormal >= 0.0); <<
694 } <<
695 else <<
696 { <<
697 G4double polish = 1.0; <<
698 if(fOpticalSurface) <<
699 polish = fOpticalSurface->GetPolish(); <<
700 if(polish < 1.0) <<
701 { <<
702 do <<
703 { // Loop checking, 13-Aug-2015, Peter <<
704 G4ThreeVector smear; <<
705 do <<
706 { // Loop checking, 13-Aug-2015, Pete <<
707 smear.setX(2. * G4UniformRand() - 1. <<
708 smear.setY(2. * G4UniformRand() - 1. <<
709 smear.setZ(2. * G4UniformRand() - 1. <<
710 } while(smear.mag2() > 1.0); <<
711 facetNormal = normal + (1. - polish) * <<
712 } while(momentum * facetNormal >= 0.0); <<
713 facetNormal = facetNormal.unit(); <<
714 } <<
715 else <<
716 { <<
717 facetNormal = normal; <<
718 } <<
719 } <<
720 return facetNormal; <<
721 } <<
722 101
723 //....oooOO0OOooo........oooOO0OOooo........oo << 102 ////////////////
724 void G4OpBoundaryProcess::DielectricMetal() << 103 // Destructors
725 { << 104 ////////////////
726 G4int n = 0; <<
727 G4double rand; <<
728 G4ThreeVector A_trans; <<
729 <<
730 do <<
731 { <<
732 ++n; <<
733 rand = G4UniformRand(); <<
734 if(rand > fReflectivity && n == 1) <<
735 { <<
736 if(rand > fReflectivity + fTransmittance <<
737 { <<
738 DoAbsorption(); <<
739 } <<
740 else <<
741 { <<
742 fStatus = Transmission; <<
743 fNewMomentum = fOldMomentum; <<
744 fNewPolarization = fOldPolarization; <<
745 } <<
746 break; <<
747 } <<
748 else <<
749 { <<
750 if(fRealRIndexMPV && fImagRIndexMPV) <<
751 { <<
752 if(n > 1) <<
753 { <<
754 CalculateReflectivity(); <<
755 if(!G4BooleanRand(fReflectivity)) <<
756 { <<
757 DoAbsorption(); <<
758 break; <<
759 } <<
760 } <<
761 } <<
762 if(fModel == glisur || fFinish == polish <<
763 { <<
764 DoReflection(); <<
765 } <<
766 else <<
767 { <<
768 if(n == 1) <<
769 ChooseReflection(); <<
770 if(fStatus == LambertianReflection) <<
771 { <<
772 DoReflection(); <<
773 } <<
774 else if(fStatus == BackScattering) <<
775 { <<
776 fNewMomentum = -fOldMomentum; <<
777 fNewPolarization = -fOldPolarization <<
778 } <<
779 else <<
780 { <<
781 if(fStatus == LobeReflection) <<
782 { <<
783 if(!fRealRIndexMPV || !fImagRIndex <<
784 { <<
785 fFacetNormal = GetFacetNormal(fO <<
786 } <<
787 // else <<
788 // case of complex rindex needs t <<
789 } <<
790 fNewMomentum = <<
791 fOldMomentum - 2. * fOldMomentum * <<
792 <<
793 if(f_iTE > 0 && f_iTM > 0) <<
794 { <<
795 fNewPolarization = <<
796 -fOldPolarization + <<
797 (2. * fOldPolarization * fFacetN <<
798 } <<
799 else if(f_iTE > 0) <<
800 { <<
801 A_trans = (fSint1 > 0.0) ? fOldMom <<
802 : fOldPol <<
803 fNewPolarization = -A_trans; <<
804 } <<
805 else if(f_iTM > 0) <<
806 { <<
807 fNewPolarization = <<
808 -fNewMomentum.cross(A_trans).uni <<
809 } <<
810 } <<
811 } <<
812 fOldMomentum = fNewMomentum; <<
813 fOldPolarization = fNewPolarization; <<
814 } <<
815 // Loop checking, 13-Aug-2015, Peter Gumpl <<
816 } while(fNewMomentum * fGlobalNormal < 0.0); <<
817 } <<
818 <<
819 //....oooOO0OOooo........oooOO0OOooo........oo <<
820 void G4OpBoundaryProcess::DielectricLUT() <<
821 { <<
822 G4int thetaIndex, phiIndex; <<
823 G4double angularDistVal, thetaRad, phiRad; <<
824 G4ThreeVector perpVectorTheta, perpVectorPhi <<
825 <<
826 fStatus = G4OpBoundaryProcessStatus( <<
827 G4int(fFinish) + (G4int(NoRINDEX) - G4int( <<
828 <<
829 G4int thetaIndexMax = fOpticalSurface->GetTh <<
830 G4int phiIndexMax = fOpticalSurface->GetPh <<
831 <<
832 G4double rand; <<
833 <<
834 do <<
835 { <<
836 rand = G4UniformRand(); <<
837 if(rand > fReflectivity) <<
838 { <<
839 if(rand > fReflectivity + fTransmittance <<
840 { <<
841 DoAbsorption(); <<
842 } <<
843 else <<
844 { <<
845 fStatus = Transmission; <<
846 fNewMomentum = fOldMomentum; <<
847 fNewPolarization = fOldPolarization; <<
848 } <<
849 break; <<
850 } <<
851 else <<
852 { <<
853 // Calculate Angle between Normal and Ph <<
854 G4double anglePhotonToNormal = fOldMomen <<
855 // Round to closest integer: LBNL model <<
856 G4int angleIncident = (G4int)std::lrint( <<
857 <<
858 // Take random angles THETA and PHI, <<
859 // and see if below Probability - if not <<
860 do <<
861 { <<
862 thetaIndex = (G4int)G4RandFlat::shootI <<
863 phiIndex = (G4int)G4RandFlat::shootI <<
864 // Find probability with the new indec <<
865 angularDistVal = fOpticalSurface->GetA <<
866 angleIncident, thetaIndex, phiIndex) <<
867 // Loop checking, 13-Aug-2015, Peter G <<
868 } while(!G4BooleanRand(angularDistVal)); <<
869 <<
870 thetaRad = G4double(-90 + 4 * thetaIndex <<
871 phiRad = G4double(-90 + 5 * phiIndex) <<
872 // Rotate Photon Momentum in Theta, then <<
873 fNewMomentum = -fOldMomentum; <<
874 <<
875 perpVectorTheta = fNewMomentum.cross(fGl <<
876 if(perpVectorTheta.mag() < fCarTolerance <<
877 { <<
878 perpVectorTheta = fNewMomentum.orthogo <<
879 } <<
880 fNewMomentum = <<
881 fNewMomentum.rotate(anglePhotonToNorma <<
882 perpVectorPhi = perpVectorTheta.cross(fN <<
883 fNewMomentum = fNewMomentum.rotate(-phi <<
884 <<
885 // Rotate Polarization too: <<
886 fFacetNormal = (fNewMomentum - fOldM <<
887 fNewPolarization = -fOldPolarization + <<
888 (2. * fOldPolarizatio <<
889 } <<
890 // Loop checking, 13-Aug-2015, Peter Gumpl <<
891 } while(fNewMomentum * fGlobalNormal <= 0.0) <<
892 } <<
893 105
894 //....oooOO0OOooo........oooOO0OOooo........oo << 106 G4OpBoundaryProcess::~G4OpBoundaryProcess(){}
895 void G4OpBoundaryProcess::DielectricLUTDAVIS() <<
896 { <<
897 G4int angindex, random, angleIncident; <<
898 G4double reflectivityValue, elevation, azimu <<
899 G4double anglePhotonToNormal; <<
900 <<
901 G4int lutbin = fOpticalSurface->GetLUTbins( <<
902 G4double rand = G4UniformRand(); <<
903 <<
904 G4double sinEl; <<
905 G4ThreeVector u, vNorm, w; <<
906 <<
907 do <<
908 { <<
909 anglePhotonToNormal = fOldMomentum.angle(- <<
910 <<
911 // Davis model has 90 reflection bins: rou <<
912 // don't allow angleIncident to be 90 for <<
913 angleIncident = std::min( <<
914 static_cast<G4int>(std::floor(anglePhoto <<
915 reflectivityValue = fOpticalSurface->GetRe <<
916 <<
917 if(rand > reflectivityValue) <<
918 { <<
919 if(fEfficiency > 0.) <<
920 { <<
921 DoAbsorption(); <<
922 break; <<
923 } <<
924 else <<
925 { <<
926 fStatus = Transmission; <<
927 <<
928 if(angleIncident <= 0.01) <<
929 { <<
930 fNewMomentum = fOldMomentum; <<
931 break; <<
932 } <<
933 107
934 do << 108 ////////////
935 { << 109 // Methods
936 random = (G4int)G4RandFlat::shootInt << 110 ////////////
937 angindex = <<
938 (((random * 2) - 1)) + angleIncide <<
939 <<
940 azimuth = <<
941 fOpticalSurface->GetAngularDistrib <<
942 elevation = fOpticalSurface->GetAngu <<
943 } while(elevation == 0. && azimuth == <<
944 <<
945 sinEl = std::sin(elevation); <<
946 vNorm = (fGlobalNormal.cross(fOldMomen <<
947 u = vNorm.cross(fGlobalNormal) * ( <<
948 vNorm *= (sinEl * std::sin(azimuth)); <<
949 // fGlobalNormal shouldn't be modified <<
950 w = (fGlobalNormal *= std:: <<
951 fNewMomentum = u + vNorm + w; <<
952 <<
953 // Rotate Polarization too: <<
954 fFacetNormal = (fNewMomentum - fOl <<
955 fNewPolarization = -fOldPolarization + <<
956 <<
957 } <<
958 } <<
959 else <<
960 { <<
961 fStatus = LobeReflection; <<
962 <<
963 if(angleIncident == 0) <<
964 { <<
965 fNewMomentum = -fOldMomentum; <<
966 break; <<
967 } <<
968 <<
969 do <<
970 { <<
971 random = (G4int)G4RandFlat::shootInt <<
972 angindex = (((random * 2) - 1)) + (ang <<
973 <<
974 azimuth = fOpticalSurface->GetAngularD <<
975 elevation = fOpticalSurface->GetAngula <<
976 } while(elevation == 0. && azimuth == 0. <<
977 <<
978 sinEl = std::sin(elevation); <<
979 vNorm = (fGlobalNormal.cross(fOldMomentu <<
980 u = vNorm.cross(fGlobalNormal) * (si <<
981 vNorm *= (sinEl * std::sin(azimuth)); <<
982 // fGlobalNormal shouldn't be modified h <<
983 w = (fGlobalNormal *= std::cos(elevation <<
984 <<
985 fNewMomentum = u + vNorm + w; <<
986 <<
987 // Rotate Polarization too: (needs revis <<
988 fNewPolarization = fOldPolarization; <<
989 } <<
990 } while(fNewMomentum * fGlobalNormal <= 0.0) <<
991 } <<
992 111
993 //....oooOO0OOooo........oooOO0OOooo........oo << 112 // PostStepDoIt
994 void G4OpBoundaryProcess::DielectricDichroic() << 113 // ------------
>> 114 //
>> 115 G4VParticleChange*
>> 116 G4OpBoundaryProcess::PostStepDoIt(const G4Track& aTrack, const G4Step& aStep)
995 { 117 {
996 // Calculate Angle between Normal and Photon << 118 theStatus = Undefined;
997 G4double anglePhotonToNormal = fOldMomentum. <<
998 <<
999 // Round it to closest integer <<
1000 G4double angleIncident = std::floor(180. / <<
1001 119
1002 if(!fDichroicVector) << 120 aParticleChange.Initialize(aTrack);
1003 { <<
1004 if(fOpticalSurface) <<
1005 fDichroicVector = fOpticalSurface->GetD <<
1006 } <<
1007 <<
1008 if(fDichroicVector) <<
1009 { <<
1010 G4double wavelength = h_Planck * c_light <<
1011 fTransmittance = fDichroicVector->Va <<
1012 i <<
1013 perCent; <<
1014 // G4cout << "wavelength: " << std::flo <<
1015 // << "nm" << <<
1016 // G4cout << "Incident angle: " << angl <<
1017 // G4cout << "Transmittance: " <<
1018 // << std::floor(fTransmittance/ <<
1019 } <<
1020 else <<
1021 { <<
1022 G4ExceptionDescription ed; <<
1023 ed << " G4OpBoundaryProcess/DielectricDic <<
1024 << " The dichroic surface has no G4Phy <<
1025 G4Exception("G4OpBoundaryProcess::Dielect <<
1026 FatalException, ed, <<
1027 "A dichroic surface must have <<
1028 } <<
1029 <<
1030 if(!G4BooleanRand(fTransmittance)) <<
1031 { // Not transmitted, so reflect <<
1032 if(fModel == glisur || fFinish == polishe <<
1033 { <<
1034 DoReflection(); <<
1035 } <<
1036 else <<
1037 { <<
1038 ChooseReflection(); <<
1039 if(fStatus == LambertianReflection) <<
1040 { <<
1041 DoReflection(); <<
1042 } <<
1043 else if(fStatus == BackScattering) <<
1044 { <<
1045 fNewMomentum = -fOldMomentum; <<
1046 fNewPolarization = -fOldPolarization; <<
1047 } <<
1048 else <<
1049 { <<
1050 G4double PdotN, EdotN; <<
1051 do <<
1052 { <<
1053 if(fStatus == LobeReflection) <<
1054 { <<
1055 fFacetNormal = GetFacetNormal(fOl <<
1056 } <<
1057 PdotN = fOldMomentum * fFace <<
1058 fNewMomentum = fOldMomentum - (2. * <<
1059 // Loop checking, 13-Aug-2015, Pete <<
1060 } while(fNewMomentum * fGlobalNormal <<
1061 <<
1062 EdotN = fOldPolarization * <<
1063 fNewPolarization = -fOldPolarization <<
1064 } <<
1065 } <<
1066 } <<
1067 else <<
1068 { <<
1069 fStatus = Dichroic; <<
1070 fNewMomentum = fOldMomentum; <<
1071 fNewPolarization = fOldPolarization; <<
1072 } <<
1073 } <<
1074 121
1075 //....oooOO0OOooo........oooOO0OOooo........o << 122 G4StepPoint* pPreStepPoint = aStep.GetPreStepPoint();
1076 void G4OpBoundaryProcess::DielectricDielectri << 123 G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint();
1077 { << 124
1078 G4bool inside = false; << 125 if (pPostStepPoint->GetStepStatus() != fGeomBoundary){
1079 G4bool swap = false; << 126 theStatus = NotAtBoundary;
1080 << 127 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
1081 if(fFinish == polished) << 128 }
1082 { << 129
1083 fFacetNormal = fGlobalNormal; << 130 if (aTrack.GetStepLength()<=kCarTolerance/2){
1084 } << 131 theStatus = StepTooSmall;
1085 else << 132 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
1086 { << 133 }
1087 fFacetNormal = GetFacetNormal(fOldMomentu << 134
1088 } << 135 Material1 = pPreStepPoint ->GetPhysicalVolume()->
1089 G4double cost1 = -fOldMomentum * fFacetNorm << 136 GetLogicalVolume()->GetMaterial();
1090 G4double cost2 = 0.; << 137 Material2 = pPostStepPoint->GetPhysicalVolume()->
1091 G4double sint2 = 0.; << 138 GetLogicalVolume()->GetMaterial();
1092 << 139
1093 G4bool surfaceRoughnessCriterionPass = true << 140 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
1094 if(fSurfaceRoughness != 0. && fRindex1 > fR << 141
1095 { << 142 thePhotonMomentum = aParticle->GetTotalMomentum();
1096 G4double wavelength = h_Pl << 143 OldMomentum = aParticle->GetMomentumDirection();
1097 G4double surfaceRoughnessCriterion = std: << 144 OldPolarization = aParticle->GetPolarization();
1098 (4. * pi * fSurfaceRoughness * fRindex1 << 145
1099 surfaceRoughnessCriterionPass = G4Boolean << 146 G4MaterialPropertiesTable* aMaterialPropertiesTable;
1100 } << 147 G4MaterialPropertyVector* Rindex;
1101 << 148
1102 leap: << 149 aMaterialPropertiesTable = Material1->GetMaterialPropertiesTable();
1103 << 150 if (aMaterialPropertiesTable) {
1104 G4bool through = false; << 151 Rindex = aMaterialPropertiesTable->GetProperty("RINDEX");
1105 G4bool done = false; << 152 }
1106 << 153 else {
1107 G4ThreeVector A_trans, A_paral, E1pp, E1pl; << 154 theStatus = NoRINDEX;
1108 G4double E1_perp, E1_parl; << 155 aParticleChange.SetStatusChange(fStopAndKill);
1109 G4double s1, s2, E2_perp, E2_parl, E2_total << 156 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
1110 G4double E2_abs, C_parl, C_perp; << 157 }
1111 G4double alpha; << 158
1112 << 159 if (Rindex) {
1113 do << 160 Rindex1 = Rindex->GetProperty(thePhotonMomentum);
1114 { << 161 }
1115 if(through) << 162 else {
1116 { << 163 theStatus = NoRINDEX;
1117 swap = !swap; << 164 aParticleChange.SetStatusChange(fStopAndKill);
1118 through = false; << 165 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
1119 fGlobalNormal = -fGlobalNormal; << 166 }
1120 G4SwapPtr(fMaterial1, fMaterial2); << 167
1121 G4SwapObj(&fRindex1, &fRindex2); << 168 theModel = glisur;
1122 } << 169 theFinish = polished;
1123 << 170
1124 if(fFinish == polished) << 171 G4SurfaceType type = dielectric_dielectric;
1125 { << 172
1126 fFacetNormal = fGlobalNormal; << 173 Rindex = NULL;
1127 } << 174 OpticalSurface = NULL;
1128 else << 175
1129 { << 176 G4LogicalSurface* Surface = G4LogicalBorderSurface::GetSurface
1130 fFacetNormal = GetFacetNormal(fOldMomen << 177 (pPreStepPoint ->GetPhysicalVolume(),
1131 } << 178 pPostStepPoint->GetPhysicalVolume());
1132 << 179
1133 cost1 = -fOldMomentum * fFacetNormal; << 180 if (Surface == NULL){
1134 if(std::abs(cost1) < 1.0 - fCarTolerance) << 181 G4bool enteredDaughter=(pPostStepPoint->GetPhysicalVolume()
1135 { << 182 ->GetMotherLogical() ==
1136 fSint1 = std::sqrt(1. - cost1 * cost1); << 183 pPreStepPoint->GetPhysicalVolume()
1137 sint2 = fSint1 * fRindex1 / fRindex2; << 184 ->GetLogicalVolume());
1138 // this isn't a sine as we might expect << 185 if(enteredDaughter){
1139 } << 186 Surface = G4LogicalSkinSurface::GetSurface
1140 else << 187 (pPostStepPoint->GetPhysicalVolume()->
1141 { << 188 GetLogicalVolume());
1142 fSint1 = 0.0; << 189 if(Surface == NULL)
1143 sint2 = 0.0; << 190 Surface = G4LogicalSkinSurface::GetSurface
1144 } << 191 (pPreStepPoint->GetPhysicalVolume()->
1145 << 192 GetLogicalVolume());
1146 // TOTAL INTERNAL REFLECTION << 193 }
1147 if(sint2 >= 1.0) << 194 else{
1148 { << 195 Surface = G4LogicalSkinSurface::GetSurface
1149 swap = false; << 196 (pPreStepPoint->GetPhysicalVolume()->
1150 << 197 GetLogicalVolume());
1151 fStatus = TotalInternalReflection; << 198 if(Surface == NULL)
1152 if(!surfaceRoughnessCriterionPass) << 199 Surface = G4LogicalSkinSurface::GetSurface
1153 fStatus = LambertianReflection; << 200 (pPostStepPoint->GetPhysicalVolume()->
1154 if(fModel == unified && fFinish != poli << 201 GetLogicalVolume());
1155 ChooseReflection(); << 202 }
1156 if(fStatus == LambertianReflection) << 203 }
1157 { << 204
1158 DoReflection(); << 205 // if (Surface) OpticalSurface = dynamic_cast <G4OpticalSurface*> (Surface->GetSurfaceProperty());
1159 } << 206 if (Surface) OpticalSurface = (G4OpticalSurface*) Surface->GetSurfaceProperty();
1160 else if(fStatus == BackScattering) << 207
1161 { << 208 if (OpticalSurface) {
1162 fNewMomentum = -fOldMomentum; << 209
1163 fNewPolarization = -fOldPolarization; << 210 type = OpticalSurface->GetType();
1164 } << 211 theModel = OpticalSurface->GetModel();
1165 else << 212 theFinish = OpticalSurface->GetFinish();
1166 { << 213
1167 fNewMomentum = << 214 aMaterialPropertiesTable = OpticalSurface->
1168 fOldMomentum - 2. * fOldMomentum * << 215 GetMaterialPropertiesTable();
1169 fNewPolarization = -fOldPolarization << 216
1170 << 217 if (aMaterialPropertiesTable) {
1171 } << 218
1172 } << 219 if (theFinish == polishedbackpainted ||
1173 // NOT TIR << 220 theFinish == groundbackpainted ) {
1174 else if(sint2 < 1.0) << 221 Rindex = aMaterialPropertiesTable->GetProperty("RINDEX");
1175 { << 222 if (Rindex) {
1176 // Calculate amplitude for transmission << 223 Rindex2 = Rindex->GetProperty(thePhotonMomentum);
1177 if(cost1 > 0.0) << 224 }
1178 { << 225 else {
1179 cost2 = std::sqrt(1. - sint2 * sint2) << 226 theStatus = NoRINDEX;
1180 } << 227 aParticleChange.SetStatusChange(fStopAndKill);
1181 else << 228 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
1182 { << 229 }
1183 cost2 = -std::sqrt(1. - sint2 * sint2 << 230 }
1184 } << 231
1185 << 232 G4MaterialPropertyVector* PropertyPointer;
1186 if(fSint1 > 0.0) << 233
1187 { << 234 PropertyPointer =
1188 A_trans = (fOldMomentum.cross(fFacetN << 235 aMaterialPropertiesTable->GetProperty("REFLECTIVITY");
1189 E1_perp = fOldPolarization * A_trans; << 236 if (PropertyPointer) {
1190 E1pp = E1_perp * A_trans; << 237 theReflectivity =
1191 E1pl = fOldPolarization - E1pp; << 238 PropertyPointer->GetProperty(thePhotonMomentum);
1192 E1_parl = E1pl.mag(); << 239 } else {
1193 } << 240 theReflectivity = 1.0;
1194 else << 241 }
1195 { << 242
1196 A_trans = fOldPolarization; << 243 PropertyPointer =
1197 // Here we Follow Jackson's conventio << 244 aMaterialPropertiesTable->GetProperty("EFFICIENCY");
1198 // component = 1 in case of a ray per << 245 if (PropertyPointer) {
1199 E1_perp = 0.0; << 246 theEfficiency =
1200 E1_parl = 1.0; << 247 PropertyPointer->GetProperty(thePhotonMomentum);
1201 } << 248 } else {
1202 << 249 theEfficiency = 0.0;
1203 s1 = fRindex1 * cost1; << 250 }
1204 E2_perp = 2. * s1 * E1_perp / (fRindex << 251
1205 E2_parl = 2. * s1 * E1_parl / (fRindex << 252 if ( theModel == unified ) {
1206 E2_total = E2_perp * E2_perp + E2_parl << 253 PropertyPointer =
1207 s2 = fRindex2 * cost2 * E2_total; << 254 aMaterialPropertiesTable->GetProperty("SPECULARLOBECONSTANT");
1208 << 255 if (PropertyPointer) {
1209 // D.Sawkey, 24 May 24 << 256 prob_sl =
1210 // Transmittance has already been taken << 257 PropertyPointer->GetProperty(thePhotonMomentum);
1211 // For e.g. specular surfaces, the rati << 258 } else {
1212 // reflection should be given by the ma << 259 prob_sl = 0.0;
1213 // TRANSMITTANCE << 260 }
1214 //if(fTransmittance > 0.) << 261
1215 // transCoeff = fTransmittance; << 262 PropertyPointer =
1216 //else if(cost1 != 0.0) << 263 aMaterialPropertiesTable->GetProperty("SPECULARSPIKECONSTANT");
1217 if(cost1 != 0.0) << 264 if (PropertyPointer) {
1218 transCoeff = s2 / s1; << 265 prob_ss =
1219 else << 266 PropertyPointer->GetProperty(thePhotonMomentum);
1220 transCoeff = 0.0; << 267 } else {
1221 << 268 prob_ss = 0.0;
1222 // NOT TIR: REFLECTION << 269 }
1223 if(!G4BooleanRand(transCoeff)) << 270
1224 { << 271 PropertyPointer =
1225 swap = false; << 272 aMaterialPropertiesTable->GetProperty("BACKSCATTERCONSTANT");
1226 fStatus = FresnelReflection; << 273 if (PropertyPointer) {
1227 << 274 prob_bs =
1228 if(!surfaceRoughnessCriterionPass) << 275 PropertyPointer->GetProperty(thePhotonMomentum);
1229 fStatus = LambertianReflection; << 276 } else {
1230 if(fModel == unified && fFinish != po << 277 prob_bs = 0.0;
1231 ChooseReflection(); << 278 }
1232 if(fStatus == LambertianReflection) << 279 }
1233 { << 280 }
1234 DoReflection(); << 281 else if (theFinish == polishedbackpainted ||
1235 } << 282 theFinish == groundbackpainted ) {
1236 else if(fStatus == BackScattering) << 283 aParticleChange.SetStatusChange(fStopAndKill);
1237 { << 284 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
1238 fNewMomentum = -fOldMomentum; << 285 }
1239 fNewPolarization = -fOldPolarizatio << 286 }
>> 287
>> 288 if (type == dielectric_dielectric ) {
>> 289 if (theFinish == polished || theFinish == ground ) {
>> 290
>> 291 if (Material1 == Material2){
>> 292 theStatus = SameMaterial;
>> 293 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 294 }
>> 295 aMaterialPropertiesTable =
>> 296 Material2->GetMaterialPropertiesTable();
>> 297 if (aMaterialPropertiesTable)
>> 298 Rindex = aMaterialPropertiesTable->GetProperty("RINDEX");
>> 299 if (Rindex) {
>> 300 Rindex2 = Rindex->GetProperty(thePhotonMomentum);
>> 301 }
>> 302 else {
>> 303 theStatus = NoRINDEX;
>> 304 aParticleChange.SetStatusChange(fStopAndKill);
>> 305 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 306 }
>> 307 }
>> 308 }
>> 309
>> 310 if ( verboseLevel > 0 ) {
>> 311 G4cout << " Photon at Boundary! " << G4endl;
>> 312 G4cout << " Old Momentum Direction: " << OldMomentum << G4endl;
>> 313 G4cout << " Old Polarization: " << OldPolarization << G4endl;
>> 314 }
>> 315
>> 316 G4ThreeVector theGlobalPoint = pPostStepPoint->GetPosition();
>> 317
>> 318 G4Navigator* theNavigator =
>> 319 G4TransportationManager::GetTransportationManager()->
>> 320 GetNavigatorForTracking();
>> 321
>> 322 G4ThreeVector theLocalPoint = theNavigator->
>> 323 GetGlobalToLocalTransform().
>> 324 TransformPoint(theGlobalPoint);
>> 325
>> 326 G4ThreeVector theLocalNormal; // Normal points back into volume
>> 327
>> 328 G4bool valid;
>> 329 theLocalNormal = theNavigator->GetLocalExitNormal(&valid);
>> 330
>> 331 if (valid) {
>> 332 theLocalNormal = -theLocalNormal;
>> 333 }
>> 334 else {
>> 335 G4cerr << " G4OpBoundaryProcess/PostStepDoIt(): "
>> 336 << " The Navigator reports that it returned an invalid normal"
>> 337 << G4endl;
>> 338 }
>> 339
>> 340 theGlobalNormal = theNavigator->GetLocalToGlobalTransform().
>> 341 TransformAxis(theLocalNormal);
>> 342
>> 343 if (type == dielectric_metal) {
>> 344
>> 345 DielectricMetal();
>> 346
>> 347 }
>> 348 else if (type == dielectric_dielectric) {
>> 349
>> 350 if ( theFinish == polishedfrontpainted ||
>> 351 theFinish == groundfrontpainted ) {
>> 352 if( !G4BooleanRand(theReflectivity) ) {
>> 353 DoAbsorption();
>> 354 }
>> 355 else {
>> 356 if ( theFinish == groundfrontpainted )
>> 357 theStatus = LambertianReflection;
>> 358 DoReflection();
>> 359 }
>> 360 }
>> 361 else {
>> 362 DielectricDielectric();
>> 363 }
>> 364 }
>> 365 else {
>> 366
>> 367 G4cerr << " Error: G4BoundaryProcess: illegal boundary type " << G4endl;
>> 368 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
>> 369
>> 370 }
>> 371
>> 372 NewMomentum = NewMomentum.unit();
>> 373 NewPolarization = NewPolarization.unit();
>> 374
>> 375 if ( verboseLevel > 0) {
>> 376 G4cout << " New Momentum Direction: " << NewMomentum << G4endl;
>> 377 G4cout << " New Polarization: " << NewPolarization << G4endl;
>> 378 if ( theStatus == Undefined )
>> 379 G4cout << " *** Undefined *** " << G4endl;
>> 380 if ( theStatus == FresnelRefraction )
>> 381 G4cout << " *** FresnelRefraction *** " << G4endl;
>> 382 if ( theStatus == FresnelReflection )
>> 383 G4cout << " *** FresnelReflection *** " << G4endl;
>> 384 if ( theStatus == TotalInternalReflection )
>> 385 G4cout << " *** TotalInternalReflection *** " << G4endl;
>> 386 if ( theStatus == LambertianReflection )
>> 387 G4cout << " *** LambertianReflection *** " << G4endl;
>> 388 if ( theStatus == LobeReflection )
>> 389 G4cout << " *** LobeReflection *** " << G4endl;
>> 390 if ( theStatus == SpikeReflection )
>> 391 G4cout << " *** SpikeReflection *** " << G4endl;
>> 392 if ( theStatus == BackScattering )
>> 393 G4cout << " *** BackScattering *** " << G4endl;
>> 394 if ( theStatus == Absorption )
>> 395 G4cout << " *** Absorption *** " << G4endl;
>> 396 if ( theStatus == Detection )
>> 397 G4cout << " *** Detection *** " << G4endl;
1240 } 398 }
1241 else <<
1242 { <<
1243 fNewMomentum = <<
1244 fOldMomentum - 2. * fOldMomentum <<
1245 if(fSint1 > 0.0) <<
1246 { // incident ray oblique <<
1247 E2_parl = fRindex2 * E2_parl / f <<
1248 E2_perp = E2_perp - E1_perp; <<
1249 E2_total = E2_perp * E2_perp + E2 <<
1250 A_paral = (fNewMomentum.cross(A_ <<
1251 E2_abs = std::sqrt(E2_total); <<
1252 C_parl = E2_parl / E2_abs; <<
1253 C_perp = E2_perp / E2_abs; <<
1254 <<
1255 fNewPolarization = C_parl * A_par <<
1256 } <<
1257 else <<
1258 { // incident ray perpendicular <<
1259 if(fRindex2 > fRindex1) <<
1260 { <<
1261 fNewPolarization = -fOldPolariz <<
1262 } <<
1263 else <<
1264 { <<
1265 fNewPolarization = fOldPolariza <<
1266 } <<
1267 } <<
1268 } <<
1269 } <<
1270 // NOT TIR: TRANSMISSION <<
1271 else <<
1272 { <<
1273 inside = !inside; <<
1274 through = true; <<
1275 fStatus = FresnelRefraction; <<
1276 <<
1277 if(fSint1 > 0.0) <<
1278 { // incident ray oblique <<
1279 alpha = cost1 - cost2 * (fRi <<
1280 fNewMomentum = (fOldMomentum + alph <<
1281 A_paral = (fNewMomentum.cross( <<
1282 E2_abs = std::sqrt(E2_total); <<
1283 C_parl = E2_parl / E2_abs; <<
1284 C_perp = E2_perp / E2_abs; <<
1285 <<
1286 fNewPolarization = C_parl * A_paral <<
1287 } <<
1288 else <<
1289 { // incident ray perpendicular <<
1290 fNewMomentum = fOldMomentum; <<
1291 fNewPolarization = fOldPolarization <<
1292 } <<
1293 } <<
1294 } <<
1295 <<
1296 fOldMomentum = fNewMomentum.unit(); <<
1297 fOldPolarization = fNewPolarization.unit( <<
1298 <<
1299 if(fStatus == FresnelRefraction) <<
1300 { <<
1301 done = (fNewMomentum * fGlobalNormal <= <<
1302 } <<
1303 else <<
1304 { <<
1305 done = (fNewMomentum * fGlobalNormal >= <<
1306 } <<
1307 // Loop checking, 13-Aug-2015, Peter Gump <<
1308 } while(!done); <<
1309 <<
1310 if(inside && !swap) <<
1311 { <<
1312 if(fFinish == polishedbackpainted || fFin <<
1313 { <<
1314 G4double rand = G4UniformRand(); <<
1315 if(rand > fReflectivity + fTransmittanc <<
1316 { <<
1317 DoAbsorption(); <<
1318 } <<
1319 else if(rand > fReflectivity) <<
1320 { <<
1321 fStatus = Transmission; <<
1322 fNewMomentum = fOldMomentum; <<
1323 fNewPolarization = fOldPolarization; <<
1324 } <<
1325 else <<
1326 { <<
1327 if(fStatus != FresnelRefraction) <<
1328 { <<
1329 fGlobalNormal = -fGlobalNormal; <<
1330 } <<
1331 else <<
1332 { <<
1333 swap = !swap; <<
1334 G4SwapPtr(fMaterial1, fMaterial2); <<
1335 G4SwapObj(&fRindex1, &fRindex2); <<
1336 } <<
1337 if(fFinish == groundbackpainted) <<
1338 fStatus = LambertianReflection; <<
1339 <<
1340 DoReflection(); <<
1341 <<
1342 fGlobalNormal = -fGlobalNormal; <<
1343 fOldMomentum = fNewMomentum; <<
1344 399
1345 goto leap; << 400 aParticleChange.SetMomentumChange(NewMomentum);
1346 } << 401 aParticleChange.SetPolarizationChange(NewPolarization);
1347 } <<
1348 } <<
1349 } <<
1350 402
1351 //....oooOO0OOooo........oooOO0OOooo........o << 403 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
1352 G4double G4OpBoundaryProcess::GetMeanFreePath <<
1353 <<
1354 { <<
1355 *condition = Forced; <<
1356 return DBL_MAX; <<
1357 } 404 }
1358 405
1359 //....oooOO0OOooo........oooOO0OOooo........o << 406 G4ThreeVector
1360 G4double G4OpBoundaryProcess::GetIncidentAngl << 407 G4OpBoundaryProcess::GetFacetNormal(const G4ThreeVector& Momentum,
1361 { << 408 const G4ThreeVector& Normal ) const
1362 return pi - std::acos(fOldMomentum * fFacet << 409 {
1363 (fOldMomentum.mag() * << 410 G4ThreeVector FacetNormal;
>> 411
>> 412 if (theModel == unified) {
>> 413
>> 414 /* This function code alpha to a random value taken from the
>> 415 distribution p(alpha) = g(alpha; 0, sigma_alpha)*sin(alpha),
>> 416 for alpha > 0 and alpha < 90, where g(alpha; 0, sigma_alpha)
>> 417 is a gaussian distribution with mean 0 and standard deviation
>> 418 sigma_alpha. */
>> 419
>> 420 G4double alpha;
>> 421
>> 422 G4double sigma_alpha = 0.0;
>> 423 if (OpticalSurface) sigma_alpha = OpticalSurface->GetSigmaAlpha();
>> 424
>> 425 G4double f_max = std::min(1.0,4.*sigma_alpha);
>> 426
>> 427 do {
>> 428 do {
>> 429 alpha = G4RandGauss::shoot(0.0,sigma_alpha);
>> 430 } while (G4UniformRand()*f_max > sin(alpha) || alpha >= halfpi );
>> 431
>> 432 G4double phi = G4UniformRand()*twopi;
>> 433
>> 434 G4double SinAlpha = sin(alpha);
>> 435 G4double CosAlpha = cos(alpha);
>> 436 G4double SinPhi = sin(phi);
>> 437 G4double CosPhi = cos(phi);
>> 438
>> 439 G4double unit_x = SinAlpha * CosPhi;
>> 440 G4double unit_y = SinAlpha * SinPhi;
>> 441 G4double unit_z = CosAlpha;
>> 442
>> 443 FacetNormal.setX(unit_x);
>> 444 FacetNormal.setY(unit_y);
>> 445 FacetNormal.setZ(unit_z);
>> 446
>> 447 G4ThreeVector tmpNormal = Normal;
>> 448
>> 449 FacetNormal.rotateUz(tmpNormal);
>> 450 } while (Momentum * FacetNormal >= 0.0);
>> 451 }
>> 452 else {
>> 453
>> 454 G4double polish = 1.0;
>> 455 if (OpticalSurface) polish = OpticalSurface->GetPolish();
>> 456
>> 457 if (polish < 1.0) {
>> 458 do {
>> 459 G4ThreeVector smear;
>> 460 do {
>> 461 smear.setX(2.*G4UniformRand()-1.0);
>> 462 smear.setY(2.*G4UniformRand()-1.0);
>> 463 smear.setZ(2.*G4UniformRand()-1.0);
>> 464 } while (smear.mag()>1.0);
>> 465 smear = (1.-polish) * smear;
>> 466 FacetNormal = Normal + smear;
>> 467 } while (Momentum * FacetNormal >= 0.0);
>> 468 FacetNormal = FacetNormal.unit();
>> 469 }
>> 470 else {
>> 471 FacetNormal = Normal;
>> 472 }
>> 473 }
>> 474 return FacetNormal;
1364 } 475 }
1365 476
1366 //....oooOO0OOooo........oooOO0OOooo........o << 477 void G4OpBoundaryProcess::DielectricMetal()
1367 G4double G4OpBoundaryProcess::GetReflectivity <<
1368 <<
1369 <<
1370 <<
1371 <<
1372 { 478 {
1373 G4complex reflectivity, reflectivity_TE, re << 479 do {
1374 G4complex N1(fRindex1, 0.), N2(realRindex, << 480 if( !G4BooleanRand(theReflectivity) ) {
1375 G4complex cosPhi; <<
1376 <<
1377 G4complex u(1., 0.); // unit number 1 <<
1378 <<
1379 G4complex numeratorTE; // E1_perp=1 E1_par <<
1380 G4complex numeratorTM; // E1_parl=1 E1_per <<
1381 G4complex denominatorTE, denominatorTM; <<
1382 G4complex rTM, rTE; <<
1383 <<
1384 G4MaterialPropertiesTable* MPT = fMaterial1 <<
1385 G4MaterialPropertyVector* ppR = MPT->GetPr <<
1386 G4MaterialPropertyVector* ppI = MPT->GetPr <<
1387 if(ppR && ppI) <<
1388 { <<
1389 G4double rRindex = ppR->Value(fPhotonMome <<
1390 G4double iRindex = ppI->Value(fPhotonMome <<
1391 N1 = G4complex(rRindex, iRi <<
1392 } <<
1393 <<
1394 // Following two equations, rTM and rTE, ar <<
1395 // Optics" written by Fowles <<
1396 cosPhi = std::sqrt(u - ((std::sin(incidenta <<
1397 (N1 * N1) / (N2 * N <<
1398 <<
1399 numeratorTE = N1 * std::cos(incidentangle <<
1400 denominatorTE = N1 * std::cos(incidentangle <<
1401 rTE = numeratorTE / denominatorTE <<
1402 <<
1403 numeratorTM = N2 * std::cos(incidentangle <<
1404 denominatorTM = N2 * std::cos(incidentangle <<
1405 rTM = numeratorTM / denominatorTM <<
1406 <<
1407 // This is my (PG) calculaton for reflectiv <<
1408 // depending on the fraction of TE and TM p <<
1409 // when TE polarization, E1_parl=0 and E1_p <<
1410 // when TM polarization, E1_parl=1 and E1_p <<
1411 <<
1412 reflectivity_TE = (rTE * conj(rTE)) * (E1_p <<
1413 (E1_perp * E1_perp + E1_p <<
1414 reflectivity_TM = (rTM * conj(rTM)) * (E1_p <<
1415 (E1_perp * E1_perp + E1_p <<
1416 reflectivity = reflectivity_TE + reflectivi <<
1417 <<
1418 do <<
1419 { <<
1420 if(G4UniformRand() * real(reflectivity) > <<
1421 { <<
1422 f_iTE = -1; <<
1423 } <<
1424 else <<
1425 { <<
1426 f_iTE = 1; <<
1427 } <<
1428 if(G4UniformRand() * real(reflectivity) > <<
1429 { <<
1430 f_iTM = -1; <<
1431 } <<
1432 else <<
1433 { <<
1434 f_iTM = 1; <<
1435 } <<
1436 // Loop checking, 13-Aug-2015, Peter Gump <<
1437 } while(f_iTE < 0 && f_iTM < 0); <<
1438 481
1439 return real(reflectivity); << 482 DoAbsorption();
1440 } << 483 break;
1441 484
1442 //....oooOO0OOooo........oooOO0OOooo........o << 485 }
1443 void G4OpBoundaryProcess::CalculateReflectivi << 486 else {
1444 { <<
1445 G4double realRindex = fRealRIndexMPV->Value <<
1446 G4double imaginaryRindex = <<
1447 fImagRIndexMPV->Value(fPhotonMomentum, id <<
1448 <<
1449 // calculate FacetNormal <<
1450 if(fFinish == ground) <<
1451 { <<
1452 fFacetNormal = GetFacetNormal(fOldMomentu <<
1453 } <<
1454 else <<
1455 { <<
1456 fFacetNormal = fGlobalNormal; <<
1457 } <<
1458 <<
1459 G4double cost1 = -fOldMomentum * fFacetNorm <<
1460 if(std::abs(cost1) < 1.0 - fCarTolerance) <<
1461 { <<
1462 fSint1 = std::sqrt(1. - cost1 * cost1); <<
1463 } <<
1464 else <<
1465 { <<
1466 fSint1 = 0.0; <<
1467 } <<
1468 <<
1469 G4ThreeVector A_trans, A_paral, E1pp, E1pl; <<
1470 G4double E1_perp, E1_parl; <<
1471 <<
1472 if(fSint1 > 0.0) <<
1473 { <<
1474 A_trans = (fOldMomentum.cross(fFacetNorma <<
1475 E1_perp = fOldPolarization * A_trans; <<
1476 E1pp = E1_perp * A_trans; <<
1477 E1pl = fOldPolarization - E1pp; <<
1478 E1_parl = E1pl.mag(); <<
1479 } <<
1480 else <<
1481 { <<
1482 A_trans = fOldPolarization; <<
1483 // Here we Follow Jackson's conventions a <<
1484 // component = 1 in case of a ray perpend <<
1485 E1_perp = 0.0; <<
1486 E1_parl = 1.0; <<
1487 } <<
1488 <<
1489 G4double incidentangle = GetIncidentAngle() <<
1490 <<
1491 // calculate the reflectivity depending on <<
1492 // polarization and complex refractive <<
1493 fReflectivity = GetReflectivity(E1_perp, E1 <<
1494 imaginaryRi <<
1495 } <<
1496 487
1497 //....oooOO0OOooo........oooOO0OOooo........o << 488 DoReflection();
1498 G4bool G4OpBoundaryProcess::InvokeSD(const G4 <<
1499 { <<
1500 G4Step aStep = *pStep; <<
1501 aStep.AddTotalEnergyDeposit(fPhotonMomentum <<
1502 489
1503 G4VSensitiveDetector* sd = aStep.GetPostSte << 490 OldMomentum = NewMomentum;
1504 if(sd != nullptr) << 491 OldPolarization = NewPolarization;
1505 return sd->Hit(&aStep); <<
1506 else <<
1507 return false; <<
1508 } <<
1509 492
1510 //....oooOO0OOooo........oooOO0OOooo........o << 493 }
1511 inline void G4OpBoundaryProcess::SetInvokeSD( <<
1512 { <<
1513 fInvokeSD = flag; <<
1514 G4OpticalParameters::Instance()->SetBoundar <<
1515 } <<
1516 494
1517 //....oooOO0OOooo........oooOO0OOooo........o << 495 } while (NewMomentum * theGlobalNormal < 0.0);
1518 void G4OpBoundaryProcess::SetVerboseLevel(G4i <<
1519 { <<
1520 verboseLevel = verbose; <<
1521 G4OpticalParameters::Instance()->SetBoundar <<
1522 } 496 }
1523 497
1524 //....oooOO0OOooo........oooOO0OOooo........o << 498 void G4OpBoundaryProcess::DielectricDielectric()
1525 void G4OpBoundaryProcess::CoatedDielectricDie <<
1526 { 499 {
1527 G4MaterialPropertyVector* pp = nullptr; << 500 G4bool Inside = false;
1528 << 501 G4bool Swap = false;
1529 G4MaterialPropertiesTable* MPT = fMaterial2 <<
1530 if((pp = MPT->GetProperty(kRINDEX))) <<
1531 { <<
1532 fRindex2 = pp->Value(fPhotonMomentum, idx <<
1533 } <<
1534 <<
1535 MPT = fOpticalSurface->GetMaterialPropertie <<
1536 if((pp = MPT->GetProperty(kCOATEDRINDEX))) <<
1537 { <<
1538 fCoatedRindex = pp->Value(fPhotonMomentum <<
1539 } <<
1540 if(MPT->ConstPropertyExists(kCOATEDTHICKNES <<
1541 { <<
1542 fCoatedThickness = MPT->GetConstProperty( <<
1543 } <<
1544 if(MPT->ConstPropertyExists(kCOATEDFRUSTRAT <<
1545 { <<
1546 fCoatedFrustratedTransmission = <<
1547 (G4bool)MPT->GetConstProperty(kCOATEDFR <<
1548 } <<
1549 <<
1550 G4double sintTL; <<
1551 G4double wavelength = h_Planck * c_light / <<
1552 G4double PdotN; <<
1553 G4double E1_perp, E1_parl; <<
1554 G4double s1, E2_perp, E2_parl, E2_total, tr <<
1555 G4double E2_abs, C_parl, C_perp; <<
1556 G4double alpha; <<
1557 G4ThreeVector A_trans, A_paral, E1pp, E1pl; <<
1558 //G4bool Inside = false; <<
1559 //G4bool Swap = false; <<
1560 G4bool through = false; <<
1561 G4bool done = false; <<
1562 <<
1563 do { <<
1564 if (through) <<
1565 { <<
1566 //Swap = !Swap; <<
1567 through = false; <<
1568 fGlobalNormal = -fGlobalNormal; <<
1569 G4SwapPtr(fMaterial1, fMaterial2); <<
1570 G4SwapObj(&fRindex1, &fRindex2); <<
1571 } <<
1572 <<
1573 if(fFinish == polished) <<
1574 { <<
1575 fFacetNormal = fGlobalNormal; <<
1576 } <<
1577 else <<
1578 { <<
1579 fFacetNormal = GetFacetNormal(fOldMomen <<
1580 } <<
1581 <<
1582 PdotN = fOldMomentum * fFacetNormal; <<
1583 G4double cost1 = -PdotN; <<
1584 G4double sint2, cost2 = 0.; <<
1585 <<
1586 if (std::abs(cost1) < 1.0 - fCarTolerance <<
1587 { <<
1588 fSint1 = std::sqrt(1. - cost1 * cost1); <<
1589 sint2 = fSint1 * fRindex1 / fRindex2; <<
1590 sintTL = fSint1 * fRindex1 / fCoatedRin <<
1591 } else <<
1592 { <<
1593 fSint1 = 0.0; <<
1594 sint2 = 0.0; <<
1595 sintTL = 0.0; <<
1596 } <<
1597 <<
1598 if (fSint1 > 0.0) <<
1599 { <<
1600 A_trans = fOldMomentum.cross(fFacetNorm <<
1601 A_trans = A_trans.unit(); <<
1602 E1_perp = fOldPolarization * A_trans; <<
1603 E1pp = E1_perp * A_trans; <<
1604 E1pl = fOldPolarization - E1pp; <<
1605 E1_parl = E1pl.mag(); <<
1606 } <<
1607 else <<
1608 { <<
1609 A_trans = fOldPolarization; <<
1610 E1_perp = 0.0; <<
1611 E1_parl = 1.0; <<
1612 } <<
1613 <<
1614 s1 = fRindex1 * cost1; <<
1615 <<
1616 if (cost1 > 0.0) <<
1617 { <<
1618 cost2 = std::sqrt(1. - sint2 * sint2); <<
1619 } <<
1620 else <<
1621 { <<
1622 cost2 = -std::sqrt(1. - sint2 * sint2); <<
1623 } <<
1624 <<
1625 transCoeff = 0.0; <<
1626 <<
1627 if (sintTL >= 1.0) <<
1628 { // --> Angle > Angle Limit <<
1629 //Swap = false; <<
1630 } <<
1631 E2_perp = 2. * s1 * E1_perp / (fRindex1 * <<
1632 E2_parl = 2. * s1 * E1_parl / (fRindex2 * <<
1633 E2_total = E2_perp * E2_perp + E2_parl * <<
1634 <<
1635 transCoeff = 1. - GetReflectivityThroughT <<
1636 sintTL, E1_perp, E1_p <<
1637 if (!G4BooleanRand(transCoeff)) <<
1638 { <<
1639 if(verboseLevel > 2) <<
1640 G4cout << "Reflection from " << fMate <<
1641 << fMaterial2->GetName() << G4 <<
1642 <<
1643 //Swap = false; <<
1644 <<
1645 if (sintTL >= 1.0) <<
1646 { <<
1647 fStatus = TotalInternalReflection; <<
1648 } <<
1649 else <<
1650 { <<
1651 fStatus = CoatedDielectricReflection; <<
1652 } <<
1653 <<
1654 PdotN = fOldMomentum * fFacetNormal; <<
1655 fNewMomentum = fOldMomentum - (2. * Pdo <<
1656 <<
1657 if (fSint1 > 0.0) { // incident ray o <<
1658 <<
1659 E2_parl = fRindex2 * E2_parl / fRinde <<
1660 E2_perp = E2_perp - E1_perp; <<
1661 E2_total = E2_perp * E2_perp + E2_par <<
1662 A_paral = fNewMomentum.cross(A_trans) <<
1663 A_paral = A_paral.unit(); <<
1664 E2_abs = std::sqrt(E2_total); <<
1665 C_parl = E2_parl / E2_abs; <<
1666 C_perp = E2_perp / E2_abs; <<
1667 <<
1668 fNewPolarization = C_parl * A_paral + <<
1669 <<
1670 } <<
1671 else <<
1672 { // incident ray perpend <<
1673 if (fRindex2 > fRindex1) <<
1674 { <<
1675 fNewPolarization = -fOldPolarizatio <<
1676 } <<
1677 else <<
1678 { <<
1679 fNewPolarization = fOldPolarization <<
1680 } <<
1681 } <<
1682 <<
1683 } else { // photon gets transmitted <<
1684 if (verboseLevel > 2) <<
1685 G4cout << "Transmission from " << fMa <<
1686 << fMaterial2->GetName() << G4 <<
1687 <<
1688 //Inside = !Inside; <<
1689 through = true; <<
1690 <<
1691 if (fEfficiency > 0.) <<
1692 { <<
1693 DoAbsorption(); <<
1694 return; <<
1695 } <<
1696 else <<
1697 { <<
1698 if (sintTL >= 1.0) <<
1699 { <<
1700 fStatus = CoatedDielectricFrustrate <<
1701 } <<
1702 else <<
1703 { <<
1704 fStatus = CoatedDielectricRefractio <<
1705 } <<
1706 <<
1707 if (fSint1 > 0.0) { // incident <<
1708 <<
1709 alpha = cost1 - cost2 * (fRindex2 / <<
1710 fNewMomentum = fOldMomentum + alpha <<
1711 fNewMomentum = fNewMomentum.unit(); <<
1712 A_paral = fNewMomentum.cross(A_tran <<
1713 A_paral = A_paral.unit(); <<
1714 E2_abs = std::sqrt(E2_total); <<
1715 C_parl = E2_parl / E2_abs; <<
1716 C_perp = E2_perp / E2_abs; <<
1717 502
1718 fNewPolarization = C_parl * A_paral << 503 leap:
1719 <<
1720 } <<
1721 else <<
1722 { // incident ray pe <<
1723 fNewMomentum = fOldMomentum; <<
1724 fNewPolarization = fOldPolarization <<
1725 } <<
1726 } <<
1727 } <<
1728 504
1729 fOldMomentum = fNewMomentum.unit(); << 505 G4bool Through = false;
1730 fOldPolarization = fNewPolarization.unit( << 506 G4bool Done = false;
1731 if ((fStatus == CoatedDielectricFrustrate <<
1732 (fStatus == CoatedDielectricRefractio <<
1733 { <<
1734 done = (fNewMomentum * fGlobalNormal <= <<
1735 } <<
1736 else <<
1737 { <<
1738 done = (fNewMomentum * fGlobalNormal >= <<
1739 } <<
1740 507
1741 } while (!done); << 508 do {
>> 509
>> 510 if (Through) {
>> 511 Swap = !Swap;
>> 512 Through = false;
>> 513 theGlobalNormal = -theGlobalNormal;
>> 514 G4Swap(Material1,Material2);
>> 515 G4Swap(&Rindex1,&Rindex2);
>> 516 }
>> 517
>> 518 if ( theFinish == ground || theFinish == groundbackpainted ) {
>> 519 theFacetNormal =
>> 520 GetFacetNormal(OldMomentum,theGlobalNormal);
>> 521 }
>> 522 else {
>> 523 theFacetNormal = theGlobalNormal;
>> 524 }
>> 525
>> 526 G4double PdotN = OldMomentum * theFacetNormal;
>> 527 G4double EdotN = OldPolarization * theFacetNormal;
>> 528
>> 529 cost1 = - PdotN;
>> 530 if (abs(cost1) < 1.0-kCarTolerance){
>> 531 sint1 = sqrt(1-cost1*cost1);
>> 532 sint2 = sint1*Rindex1/Rindex2; // *** Snell's Law ***
>> 533 }
>> 534 else {
>> 535 sint1 = 0.0;
>> 536 sint2 = 0.0;
>> 537 }
>> 538
>> 539 if (sint2 >= 1.0) {
>> 540
>> 541 // Simulate total internal reflection
>> 542
>> 543 if (Swap) Swap = !Swap;
>> 544
>> 545 theStatus = TotalInternalReflection;
>> 546
>> 547 if ( theModel == unified && theFinish != polished )
>> 548 ChooseReflection();
>> 549
>> 550 if ( theStatus == LambertianReflection ) {
>> 551 DoReflection();
>> 552 }
>> 553 else if ( theStatus == BackScattering ) {
>> 554 NewMomentum = -OldMomentum;
>> 555 NewPolarization = -OldPolarization;
>> 556 }
>> 557 else {
>> 558
>> 559 PdotN = OldMomentum * theFacetNormal;
>> 560 NewMomentum = OldMomentum - (2.*PdotN)*theFacetNormal;
>> 561 EdotN = OldPolarization * theFacetNormal;
>> 562 NewPolarization = -OldPolarization + (2.*EdotN)*theFacetNormal;
>> 563
>> 564 }
>> 565 }
>> 566 else if (sint2 < 1.0) {
>> 567
>> 568 // Calculate amplitude for transmission (Q = P x N)
>> 569
>> 570 if (cost1 > 0.0) {
>> 571 cost2 = sqrt(1-sint2*sint2);
>> 572 }
>> 573 else {
>> 574 cost2 = -sqrt(1-sint2*sint2);
>> 575 }
>> 576
>> 577 G4ThreeVector A_trans, A_paral, E1pp, E1pl;
>> 578 G4double E1_perp, E1_parl;
>> 579
>> 580 if (sint1 > 0.0) {
>> 581 A_trans = OldMomentum.cross(theFacetNormal);
>> 582 A_trans = A_trans.unit();
>> 583 E1_perp = OldPolarization * A_trans;
>> 584 E1pp = E1_perp * A_trans;
>> 585 E1pl = OldPolarization - E1pp;
>> 586 E1_parl = E1pl.mag();
>> 587 }
>> 588 else {
>> 589 A_trans = OldPolarization;
>> 590 // Here we Follow Jackson's conventions and we set the
>> 591 // parallel component = 1 in case of a ray perpendicular
>> 592 // to the surface
>> 593 E1_perp = 0.0;
>> 594 E1_parl = 1.0;
>> 595 }
>> 596
>> 597 G4double s1 = Rindex1*cost1;
>> 598 G4double E2_perp = 2.*s1*E1_perp/(Rindex1*cost1+Rindex2*cost2);
>> 599 G4double E2_parl = 2.*s1*E1_parl/(Rindex2*cost1+Rindex1*cost2);
>> 600 G4double E2_total = E2_perp*E2_perp + E2_parl*E2_parl;
>> 601 G4double s2 = Rindex2*cost2*E2_total;
>> 602
>> 603 G4double TransCoeff;
>> 604
>> 605 if (cost1 != 0.0) {
>> 606 TransCoeff = s2/s1;
>> 607 }
>> 608 else {
>> 609 TransCoeff = 0.0;
>> 610 }
>> 611
>> 612 G4double E2_abs, C_parl, C_perp;
>> 613
>> 614 if ( !G4BooleanRand(TransCoeff) ) {
>> 615
>> 616 // Simulate reflection
>> 617
>> 618 if (Swap) Swap = !Swap;
>> 619
>> 620 theStatus = FresnelReflection;
>> 621 if ( theModel == unified && theFinish != polished )
>> 622 ChooseReflection();
>> 623
>> 624 if ( theStatus == LambertianReflection ) {
>> 625 DoReflection();
>> 626 }
>> 627 else if ( theStatus == BackScattering ) {
>> 628 NewMomentum = -OldMomentum;
>> 629 NewPolarization = -OldPolarization;
>> 630 }
>> 631 else {
>> 632
>> 633 PdotN = OldMomentum * theFacetNormal;
>> 634 NewMomentum = OldMomentum - (2.*PdotN)*theFacetNormal;
>> 635
>> 636 if (sint1 > 0.0) { // incident ray oblique
>> 637
>> 638 E2_parl = Rindex2*E2_parl/Rindex1 - E1_parl;
>> 639 E2_perp = E2_perp - E1_perp;
>> 640 E2_total = E2_perp*E2_perp + E2_parl*E2_parl;
>> 641 A_paral = NewMomentum.cross(A_trans);
>> 642 A_paral = A_paral.unit();
>> 643 E2_abs = sqrt(E2_total);
>> 644 C_parl = E2_parl/E2_abs;
>> 645 C_perp = E2_perp/E2_abs;
>> 646
>> 647 NewPolarization = C_parl*A_paral + C_perp*A_trans;
>> 648
>> 649 }
>> 650
>> 651 else { // incident ray perpendicular
>> 652
>> 653 if (Rindex2 > Rindex1) {
>> 654 NewPolarization = - OldPolarization;
>> 655 }
>> 656 else {
>> 657 NewPolarization = OldPolarization;
>> 658 }
>> 659
>> 660 }
>> 661 }
>> 662 }
>> 663 else { // photon gets transmitted
>> 664
>> 665 // Simulate transmission/refraction
>> 666
>> 667 Inside = !Inside;
>> 668 Through = true;
>> 669 theStatus = FresnelRefraction;
>> 670
>> 671 if (sint1 > 0.0) { // incident ray oblique
>> 672
>> 673 G4double alpha = cost1 - cost2*(Rindex2/Rindex1);
>> 674 NewMomentum = OldMomentum + alpha*theFacetNormal;
>> 675 NewMomentum = NewMomentum.unit();
>> 676 PdotN = -cost2;
>> 677 A_paral = NewMomentum.cross(A_trans);
>> 678 A_paral = A_paral.unit();
>> 679 E2_abs = sqrt(E2_total);
>> 680 C_parl = E2_parl/E2_abs;
>> 681 C_perp = E2_perp/E2_abs;
>> 682
>> 683 NewPolarization = C_parl*A_paral + C_perp*A_trans;
>> 684
>> 685 }
>> 686 else { // incident ray perpendicular
>> 687
>> 688 NewMomentum = OldMomentum;
>> 689 NewPolarization = OldPolarization;
>> 690
>> 691 }
>> 692 }
>> 693 }
>> 694
>> 695 OldMomentum = NewMomentum.unit();
>> 696 OldPolarization = NewPolarization.unit();
>> 697
>> 698 if (theStatus == FresnelRefraction) {
>> 699 Done = (NewMomentum * theGlobalNormal <= 0.0);
>> 700 }
>> 701 else {
>> 702 Done = (NewMomentum * theGlobalNormal >= 0.0);
>> 703 }
>> 704
>> 705 } while (!Done);
>> 706
>> 707 if (Inside && !Swap) {
>> 708 if( theFinish == polishedbackpainted ||
>> 709 theFinish == groundbackpainted ) {
>> 710 if( !G4BooleanRand(theReflectivity) ) {
>> 711 DoAbsorption();
>> 712 }
>> 713 else {
>> 714 if (theStatus != FresnelRefraction ) {
>> 715 theGlobalNormal = -theGlobalNormal;
>> 716 }
>> 717 else {
>> 718 Swap = !Swap;
>> 719 G4Swap(Material1,Material2);
>> 720 G4Swap(&Rindex1,&Rindex2);
>> 721 }
>> 722 if ( theFinish == groundbackpainted )
>> 723 theStatus = LambertianReflection;
>> 724
>> 725 DoReflection();
>> 726
>> 727 theGlobalNormal = -theGlobalNormal;
>> 728 OldMomentum = NewMomentum;
>> 729
>> 730 goto leap;
>> 731 }
>> 732 }
>> 733 }
1742 } 734 }
1743 735
1744 //....oooOO0OOooo........oooOO0OOooo........o << 736 // GetMeanFreePath
1745 G4double G4OpBoundaryProcess::GetReflectivity << 737 // ---------------
1746 G4double E1_perp, << 738 //
1747 G4double E1_parl, << 739 G4double G4OpBoundaryProcess::GetMeanFreePath(const G4Track& ,
1748 G4double wavelength, G4dou << 740 G4double ,
1749 G4complex Reflectivity, Reflectivity_TE, Re << 741 G4ForceCondition* condition)
1750 G4double gammaTL, costTL; << 742 {
1751 << 743 *condition = Forced;
1752 G4complex i(0, 1); <<
1753 G4complex rTM, rTE; <<
1754 G4complex r1toTL, rTLto2; <<
1755 G4double k0 = 2 * pi / wavelength; <<
1756 <<
1757 // Angle > Angle limit <<
1758 if (sinTL >= 1.0) { <<
1759 if (fCoatedFrustratedTransmission) { //Fr <<
1760 <<
1761 if (cost1 > 0.0) <<
1762 { <<
1763 gammaTL = std::sqrt(fRindex1 * fRinde <<
1764 fCoatedRindex * fCoatedRin <<
1765 } <<
1766 else <<
1767 { <<
1768 gammaTL = -std::sqrt(fRindex1 * fRind <<
1769 fCoatedRindex * fCoatedRin <<
1770 } <<
1771 <<
1772 // TE <<
1773 r1toTL = (fRindex1 * cost1 - i * gammaT <<
1774 rTLto2 = (i * gammaTL - fRindex2 * cost <<
1775 if (cost1 != 0.0) <<
1776 { <<
1777 rTE = (r1toTL + rTLto2 * std::exp(-2 <<
1778 (1.0 + r1toTL * rTLto2 * std <<
1779 } <<
1780 // TM <<
1781 r1toTL = (fRindex1 * i * gammaTL - fCoa <<
1782 (fRindex1 * i * gammaTL + f <<
1783 rTLto2 = (fCoatedRindex * fCoatedRindex <<
1784 (fCoatedRindex * fCoatedRin <<
1785 if (cost1 != 0.0) <<
1786 { <<
1787 rTM = (r1toTL + rTLto2 * std::exp(-2 <<
1788 (1.0 + r1toTL * rTLto2 * std <<
1789 } <<
1790 } <<
1791 else <<
1792 { //Total reflection <<
1793 return(1.); <<
1794 } <<
1795 } <<
1796 <<
1797 // Angle <= Angle limit <<
1798 else //if (sinTL < 1.0) <<
1799 { <<
1800 if (cost1 > 0.0) <<
1801 { <<
1802 costTL = std::sqrt(1. - sinTL * sinTL); <<
1803 } <<
1804 else <<
1805 { <<
1806 costTL = -std::sqrt(1. - sinTL * sinTL) <<
1807 } <<
1808 // TE <<
1809 r1toTL = (fRindex1 * cost1 - fCoatedRinde <<
1810 rTLto2 = (fCoatedRindex * costTL - fRinde <<
1811 if (cost1 != 0.0) <<
1812 { <<
1813 rTE = (r1toTL + rTLto2 * std::exp(2.0 * <<
1814 (1.0 + r1toTL * rTLto2 * std::exp <<
1815 } <<
1816 // TM <<
1817 r1toTL = (fRindex1 * costTL - fCoatedRind <<
1818 rTLto2 = (fCoatedRindex * cost2 - fRindex <<
1819 if (cost1 != 0.0) <<
1820 { <<
1821 rTM = (r1toTL + rTLto2 * std::exp(2.0 * <<
1822 (1.0 + r1toTL * rTLto2 * std::exp <<
1823 } <<
1824 } <<
1825 <<
1826 Reflectivity_TE = (rTE * conj(rTE)) * (E1_p <<
1827 Reflectivity_TM = (rTM * conj(rTM)) * (E1_p <<
1828 Reflectivity = Reflectivity_TE + Reflectivi <<
1829 744
1830 return real(Reflectivity); << 745 return DBL_MAX;
1831 } 746 }
>> 747
1832 748