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Study on stimulated Raman scattering and up-conversion phenomenon in impure KGd(WO4)2 crystal

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Abstract

In order to enhance the efficiency and the output average power of the synchronously pumped stimulated Raman scattering (SRS) system, we studied a picosecond pulse-train synchronously pumped SRS system experimentally. A compact KGd(WO4)2 (KGW) Raman cavity was synchronously pumped by high average power picosecond pulse-train laser. 1.22 W including eight-order Stokes Raman components were obtained and the maximum Raman conversion efficiency was 35.4% which was the highest efficiency for all-solid-state picosecond synchronously pumped SRS system to our best knowledge. And the “parasitical SRS process” under SRS process in synchronously pumping condition was observed for the first time.

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  1. Beijing University of Technology, Beijing, 100124, China

    Xiaoqiang Gao & Meng Chen

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  1. Xiaoqiang Gao
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  2. Meng Chen
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Correspondence to Meng Chen.

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Gao, X., Chen, M. Study on stimulated Raman scattering and up-conversion phenomenon in impure KGd(WO4)2 crystal. Appl. Phys. B 123, 133 (2017). https://doi.org/10.1007/s00340-017-6710-2

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  • DOI: https://doi.org/10.1007/s00340-017-6710-2

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