Demonstration of a high-speed nonscanning imaging spectrometer

Michael R. Descour; Curtis Earl Volin; Derek S. Sabatke; Eustace L. Dereniak; Kurtis J. Thome; A. B. Schumacher; Daniel W. Wilson; Paul D. Maker

doi:10.1117/12.317633

22 July 1998 Demonstration of a high-speed nonscanning imaging spectrometer

Michael R. Descour, Curtis Earl Volin, Derek S. Sabatke, Eustace L. Dereniak, Kurtis J. Thome, A. B. Schumacher, Daniel W. Wilson, Paul D. Maker

Author Affiliations +

Proceedings Volume 3379, Infrared Detectors and Focal Plane Arrays V; (1998) https://doi.org/10.1117/12.317633
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

We report results from a field demonstration of a non-scanning high-speed imaging spectrometer capable of simultaneously recording spatial and spectral information about a rapidly changing scene. High-speed spectral imaging was demonstrated by collecting spectral an spatial snapshots of a missile in flight. This instrument is based on computed-tomography concepts and operates in the visible (420 - 740 nm). Raw image data were recorded at video frame rate (30 fps) and an integration time of 2 msec. Reconstructions of the spatial and spectral scene information from the raw image data take considerably longer, on the order of 30 seconds. Comparisons of reconstructed spectra with spectra acquired by a non- imaging reference spectrometer have shown that extended-source spectra were reconstructed accurately. We present representative missile spectral-signature data and missile- tracking linear-classifier results from the missile firing.

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Michael R. Descour, Curtis Earl Volin, Derek S. Sabatke, Eustace L. Dereniak, Kurtis J. Thome, A. B. Schumacher, Daniel W. Wilson, and Paul D. Maker "Demonstration of a high-speed nonscanning imaging spectrometer", Proc. SPIE 3379, Infrared Detectors and Focal Plane Arrays V, (22 July 1998); https://doi.org/10.1117/12.317633

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