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Proceedings Paper

Comparison of low-cost hyperspectral sensors
Author(s): John Fisher; Mark M. Baumback; Jeffrey H. Bowles; John M. Grossmann; John A. Antoniades
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Paper Abstract

Recent advances in large format detector arrays and holographic diffraction gratings have made possible the development of imaging spectrographs with high sensitivity and resolution, at relatively low component cost. Several airborne instruments have been built for the visible and near IR spectral band with 10-nm resolution, and SNR of 200:1. Three instruments are compared, an all-reflective spectrography using a convex grating in an Offner configuration, and two off-the-shelf transmission grating spectrographs using volume holograms. The camera is a 1024 X 1024 frame transfer, back-thinned CCD, with four taps for obtaining high frame rates. Performance and scan data is presented and compared to the design for image quality, distortion, and throughput.

Paper Details

Date Published: 16 October 1998
PDF: 8 pages
Proc. SPIE 3438, Imaging Spectrometry IV, (16 October 1998); doi: 10.1117/12.328112
Show Author Affiliations
John Fisher, Naval Research Lab. (United States)
Mark M. Baumback, Naval Research Lab. (United States)
Jeffrey H. Bowles, Naval Research Lab. (United States)
John M. Grossmann, Naval Research Lab. (United States)
John A. Antoniades, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 3438:
Imaging Spectrometry IV
Michael R. Descour; Sylvia S. Shen, Editor(s)

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