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10 October 2018 Polarimetric hyperspectral imaging with acousto-optic tunable filter in the visible to shortwave infrared range
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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.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Feng Jin, Emir Y. Haskovic, Susan Kutcher, Sudhir B. Trivedi, Jolanta Soos, Chein-I Chang, Bai Xue, and Narasimha S. Prasad "Polarimetric hyperspectral imaging with acousto-optic tunable filter in the visible to shortwave infrared range", Proc. SPIE 10766, Infrared Sensors, Devices, and Applications VIII, 107660N (10 October 2018); https://doi.org/10.1117/12.2323554
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