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Proceedings Paper

Electro-Optic Properties Of Nematic Liquid Crystals For Phase Modulation In The Infrared 10.6m.
Author(s): P. Joffre; G. Illiaquer; J. P. Huignard
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Paper Abstract

A new analog phase modulator operating at 10.6μm using a Nematic Liquid Crystal thin film allows very accurate phase control with a 2π phase shift and response times τup and τdown lower than 300μs for low applied voltages (250V). These performances are achieved with a four electrodes structure generating an electric field whose direction is continuously controlled from 0° to 90° and always forces the NLC molecules in rotation.

Paper Details

Date Published: 14 December 1989
PDF: 8 pages
Proc. SPIE 1126, Electro-Optic and Magneto-Optic Materials and Applications, (14 December 1989); doi: 10.1117/12.961373
Show Author Affiliations
P. Joffre, Thomson-CSF (France)
G. Illiaquer, Thomson-CSF (France)
J. P. Huignard, Thomson-CSF (France)


Published in SPIE Proceedings Vol. 1126:
Electro-Optic and Magneto-Optic Materials and Applications

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