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Appl Opt. 2007 Feb 10;46(5):704-10.

Optical coating design approaches based on the needle optimization technique.

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  • 1Research Computing Center, Moscow State University, Moscow, Russia.


Design approaches for optical thin films that recognize the key role of a design's total optical thickness are presented. These approaches are based primarily on the needle optimization technique but also utilize other optimization procedures. Using the described design approaches, an optical coating engineer can obtain a set of theoretical designs with different combinations of principal design metrics (merit function value, number of layers, and total design optical thickness); this extends opportunities for choosing the most practical and manufacturable design. We also show that some design problems have multiple solutions with nearly the same combinations of principal design metrics.

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