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Keywords: transmittivity
Forum: Geometry
Date: 16 Mar, 2006
From: Francesca Ciocia <Francesca Ciocia>

Dear all,
I'm working about optical photon simulation.
I need to simulate the presence of a wrapping material characterized by transmittivity and absorption coefficient.
Up to now I tried different ways, but it seems that the software doesn't allow to set at same time the reflectivity
 and transmittivity.
Below there is the part of my software to do this.

  G4OpticalSurface* OpYapSurface = new G4OpticalSurface("YapSurface");
  OpYapSurface->SetModel(unified);
  OpYapSurface->SetType(dielectric_dielectric);
  OpYapSurface->SetFinish(polishedfrontpainted);

   G4double Reflectivity11[num] = {0.9, 0.9};

  G4MaterialPropertiesTable* myST11 = new G4MaterialPropertiesTable();

  myST11->AddProperty("REFLECTIVITY",Ephoton, Reflectivity11, num);

  OpYapSurface->SetMaterialPropertiesTable(myST11);

Could anybody help me? Thanks a lot in advance

Francesca

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