Research Article
A Simple Proof of Damien’s Theorem and Duality in Theory of the Zero-Distance Phase Front
Figure 10
“Designing” the optical surfaces for the spherical zero-distance phase fronts passing through the source : (a) the refracting surface the limacon of Pascal with ; (b) the refracting surface the limacon of Pascal with ; (c) the reflecting surface the point reflector (small mirror sphere).
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(b) |
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