Alternate designs and restoration for tomographic imaging spectrometers

Harvey C. Schau; Dennis J. Garrood; Garrett L. Hall; Ross E. Soulon

doi:10.1117/12.484877

23 September 2003 Alternate designs and restoration for tomographic imaging spectrometers

Harvey C. Schau, Dennis J. Garrood, Garrett L. Hall, Ross E. Soulon

Proceedings Volume 5093, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery IX; (2003) https://doi.org/10.1117/12.484877
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

Tomographic Imaging Spectrometers have proven to be a cost-effective means to achieve moderate resolution spectral imaging. Instruments have been constructed in the visible which have demonstrated acceptable performance. Infrared instruments have been developed and tested as proof of concept, however optimization issues have remained. In this paper we discuss the tradeoff between optical design, disperser design, and mathematical restoration. While the final design choice is often application dependent, we show that issues such as more effective use of the focal plane array, increasing signal to noise ratio, and removal of self-emission in the infrared, all impact the restoration algorithm and have tradeoff issues associated with each. We introduce the Field Multiplexed Dispersive Imaging Spectrometer (FMDIS), an alternate tomographic imaging spectrometer design. Results of FMDIS designs and restorations will be presented.

Citation Download Citation

Harvey C. Schau, Dennis J. Garrood, Garrett L. Hall, and Ross E. Soulon "Alternate designs and restoration for tomographic imaging spectrometers", Proc. SPIE 5093, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery IX, (23 September 2003); https://doi.org/10.1117/12.484877

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