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Some Optical And Non-Linear Optical Properties Of The Non-Photorefractive LiNbO 3 :Mg

T. R. Volk, В. В. Волков, N. Rubinina, V. V. Krasnikov, E. G. Petrosyan

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Abstract

Lithium niobate is a well-known electrooptic crystal but its application is limited by the photorefractive effect. Magnesium doping was reported to reduce the value of the photorefraction /1-5/. It was shown that for mg concentrations higher than some threshold the decrease of the photorefraction by a factor of 102 as compared to the pure LiNbO3 is due to the corresponding increase of the photoconductivity /2,3/. Similarly in LiNb03:Mg:Fe2 with Fe concentration up to 0.03 wt% the photorefraction is reduced by a factor 102 as compared to LiNb03:Fe /5/.

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What this paper is about

Lithium niobate is a well-known electrooptic crystal but its application is limited by the photorefractive effect. Magnesium doping was reported to reduce the value of the photorefraction /1-5/. It was shown that for mg concentrations higher than some threshold the decrease of the photorefraction by a factor of 102 as compared to the pure LiNbO3 is due to the corresponding increase of the photoconductivity /2,3/. Similarly in LiNb03:Mg:Fe2 with Fe concentration up to 0.03 wt% the photorefraction is reduced by a factor 102 as compared to LiNb03:Fe /5/.

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Available abstract

Lithium niobate is a well-known electrooptic crystal but its application is limited by the photorefractive effect. Magnesium doping was reported to reduce the value of the photorefraction /1-5/. It was shown that for mg concentrations higher than some threshold the decrease of the photorefraction by a factor of 102 as compared to the pure LiNbO3 is due to the corresponding increase of the photoconductivity /2,3/. Similarly in LiNb03:Mg:Fe2 with Fe concentration up to 0.03 wt% the photorefraction is reduced by a factor 102 as compared to LiNb03:Fe /5/.

Key concepts: Photorefractive effect, Lithium niobate, Photoconductivity, Materials science, Crystal (programming language), Doping, Nonlinear optics, Optics

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