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27 //
28 ////////////////////////////////////////////////////////////////////////
29 // Optical Photon Absorption Class Definition
30 ////////////////////////////////////////////////////////////////////////
31 //
32 // File: G4OpAbsorption.hh
33 // Description: Discrete Process -- Bulk absorption of Optical Photons
34 // Version: 1.0
35 // Created: 1996-05-21
36 // Author: Juliet Armstrong
37 // Updated: 2005-07-28 add G4ProcessType to constructor
38 // 1999-10-29 add method and class descriptors
39 // 1997-04-09 by Peter Gumplinger
40 // > new physics/tracking scheme
41 // 1998-08-25 by Stefano Magni
42 // > Change process to use G4MaterialPropertiesTables
43 //
44 ////////////////////////////////////////////////////////////////////////
45
46 #ifndef G4OpAbsorption_h
47 #define G4OpAbsorption_h 1
48
49 #include "G4VDiscreteProcess.hh"
50 #include "G4OpticalPhoton.hh"
51
52 class G4OpAbsorption : public G4VDiscreteProcess
53 {
54 public:
55 explicit G4OpAbsorption(const G4String& processName = "OpAbsorption",
56 G4ProcessType type = fOptical);
57 virtual ~G4OpAbsorption();
58
59 virtual G4bool IsApplicable(
60 const G4ParticleDefinition& aParticleType) override;
61 // Returns true -> 'is applicable' only for an optical photon.
62
63 virtual G4double GetMeanFreePath(const G4Track& aTrack, G4double,
64 G4ForceCondition*) override;
65 // Returns the absorption length for bulk absorption of optical
66 // photons in media with a specified attenuation length.
67
68 virtual G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
69 const G4Step& aStep) override;
70 // Method implementing bulk absorption of optical photons.
71
72 virtual void PreparePhysicsTable(const G4ParticleDefinition&) override;
73
74 virtual void Initialise();
75
76 void SetVerboseLevel(G4int);
77
78 private:
79 G4OpAbsorption(const G4OpAbsorption& right) = delete;
80 G4OpAbsorption& operator=(const G4OpAbsorption& right) = delete;
81
82 size_t idx_absorption = 0;
83 };
84
85 // Inline methods
86
87 inline G4bool G4OpAbsorption::IsApplicable(
88 const G4ParticleDefinition& aParticleType)
89 {
90 return (&aParticleType == G4OpticalPhoton::OpticalPhoton());
91 }
92
93 #endif /* G4OpAbsorption_h */
94