Dynamic gratings recording in liquid crystal light valve with semiconductor substrate

Konstantin Shcherbin; Igor Gvozdovskyy; Dean R. Evans

doi:10.1117/12.2209552

7 March 2016 Dynamic gratings recording in liquid crystal light valve with semiconductor substrate

Konstantin Shcherbin, Igor Gvozdovskyy, Dean R. Evans

Proceedings Volume 9771, Practical Holography XXX: Materials and Applications; 97710U (2016) https://doi.org/10.1117/12.2209552
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

Liquid crystal light valve with GaAs substrate operating in the transmission mode in the infrared is studied. The nonlinear phase shift of the transmitted light wave is measured as a function of applied voltage. The dynamic grating recording is achieved. A fourfold amplification of the weak signal beam is reached. The gain is increased by means of proper tilting of the cell that increases an effective pretilt of the liquid crystal molecules. The amplitude of the refractive index modulation and nonlinear coupling constant are estimated from the experimental results.

Citation Download Citation

Konstantin Shcherbin, Igor Gvozdovskyy, and Dean R. Evans "Dynamic gratings recording in liquid crystal light valve with semiconductor substrate", Proc. SPIE 9771, Practical Holography XXX: Materials and Applications, 97710U (7 March 2016); https://doi.org/10.1117/12.2209552

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