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Performance of a microgrid polarizer array employing a micro-optic registration element
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Paper Abstract

IERUS Technologies investigated the feasibility of developing a high resolution, passive MWIR polarimetric imaging system for both day and night operation at short (1 – 5 meters) and long (1 – 2 km) range operation. The sensor system used a micro-polarizer array (MPA) over the focal plane array (FPA) in order to capture four channels of polarimetric information simultaneously. It also used an optical registration array (ORA) over the MPA in order to spatially register the polarimetric information. The MPA-ORA device is integral to the FPA, forming a drop-in-replacement, saving system size and weight relative to other polarimetric imaging technologies. A system was designed for a prototype that mitigates risk and demonstrates the utility of the ORA. The FPA employed is a MWIR array with a reticulated detector array which reduces electrical pixel-to-pixel crosstalk to zero. Polarization and radiometric performance predictions of the design will be presented.

Paper Details

Date Published: 14 May 2018
PDF: 11 pages
Proc. SPIE 10655, Polarization: Measurement, Analysis, and Remote Sensing XIII, 106550D (14 May 2018); doi: 10.1117/12.2306081
Show Author Affiliations
Greg A. Finney, IERUS Technologies, Inc. (United States)
Christopher M. Persons, IERUS Technologies, Inc. (United States)
Dane J. Phillips, IERUS Technologies, Inc. (United States)


Published in SPIE Proceedings Vol. 10655:
Polarization: Measurement, Analysis, and Remote Sensing XIII
David B. Chenault; Dennis H. Goldstein, Editor(s)

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