Articles

Compact prism spectrographs based on aplanatic principles

[+] Author Affiliations
David W. Warren

The Aerospace Corporation, Electro-Optical Systems Department, P.O. Box 92957, Los Angeles, California 90009-2957

David J. Gutierrez

The Aerospace Corporation, Space and Environment Technology Center, P.O. Box 92957, Los Angeles, California 90009-2957

Opt. Eng. 36(4), 1174-1182 (Apr 01, 1997). doi:10.1117/1.601237
History: Received Sep. 14, 1996; Revised Oct. 30, 1996; Accepted Oct. 31, 1996
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Abstract

We describe a new form of prism spectrograph system based on aplanatic principles. The basic system is simple, comprising a prism with two spherical refracting surfaces, both operating near their aplanatic conjugates, and a spherical mirror operating near its center of curvature. This form provides a flat, accessible focal surface suitable for use with modern array detectors. Good image quality can be maintained over large wavelength intervals at fast focal ratios, making this form particularly useful for moderate resolution spectrography. Its simplicity, compactness, and tolerance of misalignment make it attractive for space and cryogenic instruments. We present three examples of operating instruments that have been constructed using this new form. © 1997 Society of Photo-Optical Instrumentation Engineers.

© 1997 Society of Photo-Optical Instrumentation Engineers

Citation

David W. Warren ; John A. Hackwell and David J. Gutierrez
"Compact prism spectrographs based on aplanatic principles", Opt. Eng. 36(4), 1174-1182 (Apr 01, 1997). ; http://dx.doi.org/10.1117/1.601237


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