Title

Optimal local shape description for rotationally non-symmetric optical surface design and analysis

Authors

Authors

O. Cakmakci; B. Moore; H. Foroosh;J. P. Rolland

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

Optics

Abstract

A local optical surface representation as a sum of basis functions is proposed and implemented. Specifically, we investigate the use of linear combination of Gaussians. The proposed approach is a local descriptor of shape and we show how such surfaces are optimized to represent rotationally non-symmetric surfaces as well as rotationally symmetric surfaces. As an optical design example, a single surface off-axis mirror with multiple fields is optimized, analyzed, and compared to existing shape descriptors. For the specific case of the single surface off-axis magnifier with a 3 mm pupil, > 15mm eye relief, 24 degree diagonal full field of view, we found the linear combination of Gaussians surface to yield an 18.5% gain in the average MTF across 17 field points compared to a Zernike polynomial up to and including 10th order. The sum of local basis representation is not limited to circular apertures. (c) 2008 Optical Society of America.

Journal Title

Optics Express

Volume

16

Issue/Number

3

Publication Date

1-1-2008

Document Type

Article

Language

English

First Page

1583

Last Page

1589

WOS Identifier

WOS:000252932500023

ISSN

1094-4087

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