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1 September 2015 On demand polarimetry using a movable microgrid polarizer
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Abstract
A movable pixelated filter array is proposed to provide low cost, on demand polarimetry and wavefront sensing. With this concept, an optical system can turn polarimetry on and off by using a shutter to move a microgrid polarizer array in and out of the optical path of the system. This allows an optical system to operate in two modes, a non-polarimetric mode in which sensor range is maintained, and a polarimetric mode in which it is reduced. In implementing this concept, adequate knowledge of the position of the filter in the optical path and calibration procedures become critical topics. This paper discusses simulated and hardware-tested results of this invention.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Page E. King and Eric C. Fest "On demand polarimetry using a movable microgrid polarizer", Proc. SPIE 9613, Polarization Science and Remote Sensing VII, 961306 (1 September 2015); https://doi.org/10.1117/12.2188705
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