|Message: Re: wrapped cerenkov||Not Logged In (login)|
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In my reply above, I wrote
> while: > > SMPT -> AddProperty("REFLECTIVITY",pp,reflectivity,NUM); > > and 'polishedbackpainted' or 'groundbackpainted' concern the wrapping.
but what I meant to say is that the 'backpainted' part of the specification specifies a wrapping. In truth, the 'polished' and 'ground' part of the specification concern the initial interface between the radiator and the thin dielectric layer.
Similarly, I was wrong in writing:
> SetFinish(groundbackpainted) or SetFinish(polishedbackpainted) > > depending on whether your wrapping is a diffuse or polished reflector.
The wrapping itself is ALWAYS assumed to be a Lambertian reflector; i.e. an "external diffuse reflector" for those photons which are refracted (transmitted) through the surface interface into the thin dielectric layer.
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