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Polarimetric hyperspectral imaging with acousto-optic tunable filter in the visible to shortwave infrared range
Author(s): Feng Jin; Emir Y. Haskovic; Susan Kutcher; Sudhir B. Trivedi; Jolanta Soos; Chein-I Chang; Bai Xue; Narasimha S. Prasad
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Paper Abstract

Tellurium dioxide is the most widely used uniaxial crystal for acousto-optic devices. Acousto-optic tunable filters based on this material can cover spectral range from UV to MWIR in a non-collinear configuration. The diffracted narrow band output beams have orthogonal linear polarizations, propagating in different directions, allowing the filter to act as polarizing beam splitter/analyzer as well. To achieve full electronic tuning, two liquid crystal variable retarders are used to measure all six polarization states used in the calculation of Stokes vector. We will present the design of the instrument, test results, and performance considerations.

Paper Details

Date Published: 10 October 2018
PDF: 10 pages
Proc. SPIE 10766, Infrared Sensors, Devices, and Applications VIII, 107660N (10 October 2018); doi: 10.1117/12.2323554
Show Author Affiliations
Feng Jin, Brimrose Technology Corp. (United States)
Emir Y. Haskovic, Brimrose Technology Corp. (United States)
Susan Kutcher, Brimrose Technology Corp. (United States)
Sudhir B. Trivedi, Brimrose Technology Corp. (United States)
Jolanta Soos, Brimrose Technology Corp. (United States)
Chein-I Chang, Univ. of Maryland, Baltimore County (United States)
Bai Xue, Univ. of Maryland, Baltimore County (United States)
Narasimha S. Prasad, NASA Langley Research Ctr. (United States)


Published in SPIE Proceedings Vol. 10766:
Infrared Sensors, Devices, and Applications VIII
Paul D. LeVan; Priyalal Wijewarnasuriya; Arvind I. D'Souza, Editor(s)

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