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  1. J

    Dielectric and Metal-Coated Mirrors and an Alternative to Phase Coating?

    Hi, to put some things right: - a Schmidt Pechan erection system needs at least the 2nd face mirrored as the angle of incidence is not sufficient for total internal reflection with usual glass like BaK4. Here either dielectric or metal coatings are possible. - total internal reflection on the...
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