Optical Photon Processes in GEANT4 - Cern

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The G4OpticalSurface also has a pointer to aG4MaterialPropertiesTableIn case the surface is painted, wrapped, or has acladding, the table may include the thin layer’sindex of refraction.This allows the simulation of boundary effects both at theintersection between the medium and the surface layer, aswell as the far side of the thin layer, all within the processitself and without invoking the G4Navigator; the thin layerdoes not have to be defined as a G4 tracking volume.20
ExampleG4LogicalVolume * volume_log;G4VPhysicalVolume * volume1;G4VPhysicalVolume * volume2;// SurfacesG4OpticalSurface* OpWaterSurface = new G4OpticalSurface(“WaterSurface”);OpWaterSurface -> SetModel(glisur);OpWaterSurface -> SetType(dielectric_metal);OpWaterSurface -> SetFinish(polished);G4LogicalBorderSurface* WaterSurface = newG4LogicalBorderSurface(“WaterSurface”,volume1,volume2,OpWaterSurface);G4OpticalSurface * OpAirSurface = new G4OpticalSurface(“AirSurface”);OpAirSurface -> SetModel(unified);OpAirSurface -> SetType(dielectric_dielectric);OpAirSurface -> SetFinish(ground);G4LogicalSkinSurface * AirSurface = new G4LogicalSkinSurface(“AirSurface”,volume_log,OpAirSurface);21
Page 1 and 2: Cover SheetOptical Photon Processes
Page 3 and 4: Optical photon productionin Geant4i
Page 5 and 6: Cerenkov Process• Cerenkov light
Page 7 and 8: User Options• Suspend primary par
Page 9 and 10: in ExptPhysicsList:#include “G4Sc
Page 11 and 12: G4Absorption• Bulk Absorption -
Page 13 and 14: G4BoundaryProcessImplementation Det
Page 15 and 16: G4OpticalSurface• Set the simulat
Page 17 and 18: Surface effectsPOLISHED: In the cas
Page 19: Csl: Reflection prob. about the nor
Page 23 and 24: The logic in G4OpBoundaryProcess:Po
Page 25: ExampleN0625

Optical Photon Processes in GEANT4 - Cern

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