Double phase conjugation in a liquid crystal at 1.5  µm for optical beam tracking

Alexander Sergeevich Koujelev; Alexander E. Dudelzak

doi:10.1117/1.2437783

1 February 2007 Double phase conjugation in a liquid crystal at 1.5 μm for optical beam tracking

Alexander Sergeevich Koujelev, Alexander E. Dudelzak

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Optical Engineering, Vol. 46, Issue 2, 024001 (February 2007). https://doi.org/10.1117/1.2437783

Abstract

Double phase conjugation (DPC) of two nearly opposite light waves has been theoretically and experimentally studied in a nematic liquid crystal with thermal optical nonlinearity. A model for wave coupling in the material with thermal nonlinearity has been analyzed for the DPC threshold conditions. DPC of two mutually incoherent laser beams has been demonstrated in a nematic liquid crystal (NLC) multilayer structure in good agreement with the model. An all-optical beam tracker consisting of such a structure has been built and demonstrated to compensate for beam/reflector jitter.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Alexander Sergeevich Koujelev and Alexander E. Dudelzak "Double phase conjugation in a liquid crystal at 1.5 μm for optical beam tracking," Optical Engineering 46(2), 024001 (1 February 2007). https://doi.org/10.1117/1.2437783

Published: 1 February 2007

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