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Broadband photorefractivity of Cr-doped strontium barium niobate in the visible and near-infrared spectral regions

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Abstract

Two-beam coupling gain and speed of Cr-doped strontium barium niobate in the visible and near-infrared spectral regions are measured. It is found that the sample still exhibits the appreciable photorefractive gain in the near-infrared spectrum. Photorefractive parameters such as effective trap density, effective electrooptic coefficient and mobility · recombination-time product are obtained from the measurement. The photorefractive spectra of the coupling gain and speed in the sample are compared with those of Cr-doped KNSBN.

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  1. Electronics Engineering Department, University of Electro-communications, 1-5-1, Chofugaoka, Chofu, Tokyo, 182, Japan

    Yasuo Tomita & Akihiro Suzuki

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  1. Yasuo Tomita
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  2. Akihiro Suzuki
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Tomita, Y., Suzuki, A. Broadband photorefractivity of Cr-doped strontium barium niobate in the visible and near-infrared spectral regions. Optical Review 1, 233–236 (1994). https://doi.org/10.1007/BF03254872

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  • DOI: https://doi.org/10.1007/BF03254872

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