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Proceedings Paper

Optical design, performance, and tolerancing of next-generation airborne imaging spectrometers
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Paper Abstract

We describe the optical design and performance of the Next-Generation airborne Imaging Spectrometer (NGIS) currently being constructed at Caltech's Jet Propulsion Laboratory. The new, high-resolution instrument incorporates a number of design advantages including a two-mirror anastigmatic telescope for simplified alignment and high throughput, as well as a concentric, multi-blazed grating for tailored broadband efficiency. A detailed tolerancing and sensitivity approach reveals tight requirements that must be satisfied for spectral calibration and boresight stability. This improved spectral and pointing stability, combined with high uniformity and high signal-to-noise ratio allows us to generate spectrometry measurements capable of answering challenging science questions.

Paper Details

Date Published: 13 August 2010
PDF: 12 pages
Proc. SPIE 7812, Imaging Spectrometry XV, 78120P (13 August 2010); doi: 10.1117/12.861331
Show Author Affiliations
Holly A. Bender, Jet Propulsion Lab. (United States)
Pantazis Z. Mouroulis, Jet Propulsion Lab. (United States)
Robert O. Green, Jet Propulsion Lab. (United States)
Daniel W. Wilson, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 7812:
Imaging Spectrometry XV
Sylvia S. Shen; Paul E. Lewis, Editor(s)

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