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Proceedings Paper

Four families of flat-field three-mirror anastigmatic telescopes with only one mirror aspherized
Author(s): Andrew Rakich
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Paper Abstract

In a recent paper the author described a method of acquiring the complete solution set of three-mirror anastigmatic telescopes with concave primary mirrors in which only one mirror is allowed to depart from being strictly spherical. There the solution sets were defined over a plane in constructional parameter space and four loci of points were identified representing solutions in which the Petzval curvature for the system was also zero. In the work presented below curves are fitted to these points. These curves represent the full range of possible flat-field three-mirror anastigmats with two spherical mirrors. Examples are given from each of the four families and algorithms are given in spreadsheet format which, for each of the four curves, will deliver a complete set of constructional parameters for a flat-field three-mirror anastigmat with two spherical mirrors for a given single input parameter.

Paper Details

Date Published: 4 September 2002
PDF: 9 pages
Proc. SPIE 4768, Novel Optical Systems Design and Optimization V, (4 September 2002); doi: 10.1117/12.482193
Show Author Affiliations
Andrew Rakich, Industrial Research Ltd. (New Zealand)


Published in SPIE Proceedings Vol. 4768:
Novel Optical Systems Design and Optimization V
Jose M. Sasian; R. John Koshel, Editor(s)

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