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Forum: Processes Involving Optical Photons
Re: None Transmission of Optical Photons
Re: Feedback Re: Transmission of Optical Photons (Gumplinger Peter)
Re: Feedback Re: Transmission of Optical Photons
Re: Feedback Re: Transmission of Optical Photons (Gumplinger Peter)
Re: None Re: Transmission of Optical Photons
Date: 24 Jul, 2009
From: Gumplinger Peter <Gumplinger Peter>

you seem to have two G4OpSurfaces and you get them confused:

G4OpticalSurface* OpALSurface = new G4OpticalSurface("ALSurface");

OpALSurface->SetType(dielectric_metal);// should be dielectric_metal

OpALSurface->SetFinish(polished);

OpALSurface->SetModel(glisur);

etc.

and

  OpCrystalSurfaceTwo->SetMaterialPropertiesTable(myST3);

  G4LogicalBorderSurface* ALSurface =new G4LogicalBorderSurface
("TubeTwoSurface",TubeTwo_phys,experimentalHall_phys,OpCrystalSurfaceTwo);

You only need ONE and you don't have to specify a ALAbsorption. Optical photons in G4 do not at all penetrate metal:

 G4LogicalBorderSurface* ALSurface =new G4LogicalBorderSurface
("TubeTwoSurface",TubeTwo_phys,experimentalHall_phys,OpAlSurface);

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