Temperature dependence of photorefractive effect in reduced near-stoichiometric LiNbO3 crystal
Optics Communications(2007)
Abstract
Temperature dependence of the photorefractive effect was investigated in reduced near-stoichiometric LiNbO3 crystal by a two-wave coupling experiment. An order of magnitude increase in the refractive index change Δn was observed when the crystal temperature was reduced from 35°C to −5°C, and possible corresponding mechanisms are discussed.
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Key words
Photorefractive,Lithium niobate,Stoichiometric,Temperature
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