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Proceedings Paper

Electro-optical properties of nematic liquid crystal cells in the infrared wavelength region
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Paper Abstract

We study the electro-optical properties of the nematic liquid crystal (LC) cells such as a homogenously aligned nematic LC cell and twisted nematic (TN) LC cell fabricated with polished silicon wafers in a far-infrared wavelength region. The birefringence of the nematic LC material at the wavelength of about 10 μm is estimated by applying a voltage to the homogenously aligned LC cell under crossed infrared-wire-grid polarizers. The application of the TN LC cell into an optical shutter in the far-infrared region for electrically controlling the transmitted light intensity is demonstrated and discussed.

Paper Details

Date Published: 12 September 2013
PDF: 6 pages
Proc. SPIE 8828, Liquid Crystals XVII, 88281A (12 September 2013); doi: 10.1117/12.2023799
Show Author Affiliations
Marenori Kawamura, Akita Univ. (Japan)
Susumu Sato, LC-Lens Institute (Japan)

Published in SPIE Proceedings Vol. 8828:
Liquid Crystals XVII
Iam Choon Khoo, Editor(s)

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