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Forum: Processes Involving Optical Photons
Re: Question When to use surfaces for dielectric-dielectric boundaries? (matthew)
Date: 12 Mar, 2015
From: Gumplinger Peter <Gumplinger Peter>

Hi Matt,

Sorry for the late reply.

> Is it true that simply giving all these materials the proper refractive
> index and scintillation properties in their respective
> MaterialPropertiesTable abrogates the need to define surfaces?

Yes, for dielectric-dielectric surfaces under the assumption that all of them are perfectly smooth.

> If that is the case, why are surfaces defined for air-water boundaries
> in OpNovice Example?

It is an 'example' for a more compicated situation where not all surfaces are assumed to be perfectly smooth or all dielectric_dielectric.

Peter

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