|Message: Re: Convergence to diffuse reflection||Not Logged In (login)|
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> > 1. As I understand it, a perfectly diffuse reflector with no air gap > > between the scintillator and the reflector can be modeled by selecting > > the SetModel to be UNIFIED, the SetType to be dielectric_dielectric, and > > the SetFinish to be groundfrontpainted. Is this understanding correct? > > I'm referencing the attachment.
Your understanding of the referenced diagram is correct.
> > 2. If the first statement is correct, would it therefore be redundant to > > add the following three reflector properties: > > specularspikeconstant(SS)=0, specularlobeconstant(SL)=0, and > > backscatterconstant(BS)=0, where lambertian (L) reflection is implicit > > (SS+SL+BS+L=1) to such a reflector configuration (namely: UNIFIED, > > dielectric_dielectric, groundfrontpainted)?
Yes. According to the diagram, these properties aren't used.
> > 3. Out of curiosity, if I selected polishedfrontpainted instead of > > groundfrontpainted (with UNIFIED and dielectric_dielectric), in addition > > to setting SS=SL=BS=0 (L=1), would the reflector converge to Lambertian? > > I'm wondering if the reflector constants would override the > > specularspike reflection mode designated by polishedfrontpainted.
No. These parameters aren't used. Again, refer to the diagram.
Example extended/optical/OpNovice tells you the reflection type for each reflection.