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Proceedings Paper

Four-mirror anastigmats with useful first-order layouts and minimum complexity
Author(s): Andrew Rakich
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Paper Abstract

Recently the author described a method that gave the complete solution set for four-mirror anastigmats in which all the mirrors were spherical. Even though a large variety of such systems were shown to exist, most of these were not practical due to large central obstructions. The author has now modified his previous approach by setting up "partial" systems with good first order characteristics and adding the minimum number of aspheres necessary to give anastigmatic correction. In this way, surveys of useful four-mirror anastigmats with one, two or three-mirrors kept strictly spherical can be carried out.

Paper Details

Date Published: 22 October 2004
PDF: 14 pages
Proc. SPIE 5524, Novel Optical Systems Design and Optimization VII, (22 October 2004); doi: 10.1117/12.557563
Show Author Affiliations
Andrew Rakich, Electro Optic Systems Pty Ltd. (Australia)
Univ. of Canterbury (New Zealand)


Published in SPIE Proceedings Vol. 5524:
Novel Optical Systems Design and Optimization VII
Jose M. Sasian; R. John Koshel; Paul K. Manhart; Richard C. Juergens, Editor(s)

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