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  1. Andy2000

    Zemax issue with coatings

    Dear Harold, thanks a lot. I will be adding a few um's of air underneath my glass slab. I suspect what Zemax does is: 1) find the point of intersection between glass and absorbing surface. 2) tries to trace the reflection from the absorbing surface to the glass. 3) sees that the surface is...
  2. Andy2000

    Zemax issue with coatings

    Hello, I am using the NSC part of Zemax to model a slap of glass sitting on a black absorbing surface. It seems that Zemax does not have an option to model the thin film of air between the glass and absorbing surface. I tried many different coatings, including making my own one in the...

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