Electro-Optic Properties Of Nematic Liquid Crystals For Phase Modulation In The Infrared 10.6m.

P. Joffre; G. Illiaquer; J. P. Huignard

doi:10.1117/12.961373

14 December 1989 Electro-Optic Properties Of Nematic Liquid Crystals For Phase Modulation In The Infrared 10.6μm.

P. Joffre, G. Illiaquer, J. P. Huignard

Proceedings Volume 1126, Electro-Optic and Magneto-Optic Materials and Applications; (1989) https://doi.org/10.1117/12.961373
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

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.

Citation Download Citation

P. Joffre, G. Illiaquer, and J. P. Huignard "Electro-Optic Properties Of Nematic Liquid Crystals For Phase Modulation In The Infrared 10.6μm.", Proc. SPIE 1126, Electro-Optic and Magneto-Optic Materials and Applications, (14 December 1989); https://doi.org/10.1117/12.961373

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