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Analytical equations for a nonconfocal stigmatic three-freeform-mirror system.

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This paper presents a novel method, to the best of our knowledge, to design three-freeform-mirror systems from scratch. The technique consists of getting an initial setup, before optimization, which is… Click to show full abstract

This paper presents a novel method, to the best of our knowledge, to design three-freeform-mirror systems from scratch. The technique consists of getting an initial setup, before optimization, which is directly obtained from the set of all possible stigmatic three-freeform-mirror systems. Then, deformation coefficients are added to each surface and optimized to reduce aberration produced by additional fields. The method has been tested and the results are as expected.

Keywords: three freeform; freeform mirror; stigmatic three; analytical equations

Journal Title: Applied optics
Year Published: 2022

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