Comparison of low-cost hyperspectral sensors

John Fisher; Mark M. Baumback; Jeffrey H. Bowles; John M. Grossmann; John A. Antoniades

doi:10.1117/12.328112

16 October 1998 Comparison of low-cost hyperspectral sensors

John Fisher, Mark M. Baumback, Jeffrey H. Bowles, John M. Grossmann, John A. Antoniades

Proceedings Volume 3438, Imaging Spectrometry IV; (1998) https://doi.org/10.1117/12.328112
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

Citation Download Citation

John Fisher, Mark M. Baumback, Jeffrey H. Bowles, John M. Grossmann, and John A. Antoniades "Comparison of low-cost hyperspectral sensors", Proc. SPIE 3438, Imaging Spectrometry IV, (16 October 1998); https://doi.org/10.1117/12.328112

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