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Proceedings Paper

Liquid crystals for polarization control in the MWIR
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Paper Abstract

Liquid crystal (LC) technology, a critical component in a diverse range of optics for visible wavelengths, has recently been adapted into devices for the mid-wave infrared (MWIR). Optics designs, including variable retarders, attenuators, linear polarization rotators, and tunable filters, have been modified for optimal performance over the range of 3.6 to 5.7 microns. We constructed these designs using material selected for optimal optical behavior in this wavelength range. Description and characterization of these chosen component materials is included along with the performance of each device. We present design challenges, along with future plans and possibilities for MWlR LC technology.

Paper Details

Date Published: 21 May 2014
PDF: 9 pages
Proc. SPIE 9099, Polarization: Measurement, Analysis, and Remote Sensing XI, 909910 (21 May 2014); doi: 10.1117/12.2053458
Show Author Affiliations
Erika K. Petrak, Meadowlark Optics, Inc. (United States)
Thomas G. Baur, Meadowlark Optics, Inc. (United States)

Published in SPIE Proceedings Vol. 9099:
Polarization: Measurement, Analysis, and Remote Sensing XI
David B. Chenault; Dennis H. Goldstein, Editor(s)

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