Efficient fourth harmonic generation of Nd: glass lasers in ADP and DKDP crystals

Fang Wang; Fu-quan Li; Xiang-xu Chai; Li-quan Wang; Wei Han; Huai-ting Jia; Li-dan Zhou; Bin Feng; Yong Xiang

doi:10.1117/12.2065397

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3 February 2015 Efficient fourth harmonic generation of Nd: glass lasers in ADP and DKDP crystals

Fang Wang, Fu-quan Li, Xiang-xu Chai, Li-quan Wang, Wei Han, Huai-ting Jia, Li-dan Zhou, Bin Feng, Yong Xiang

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Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 92551R (2015) https://doi.org/10.1117/12.2065397
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

Abstract

Experimental research on non-critical phase-matching fourth harmonic generation with ADP and DKDP crystals are reported. The characteristics of 2ω-to-4ω efficiency as function of incident angle, crystal temperature and input 2ω intensity have been investigated in detail, and the 2ω-to-4ω conversion efficiency has been demonstrated up to 84.1% with ADP crystal and 85.1% with DKDP crystal, respectively. Nevertheless, the spatial non-uniformity of rapid grown DKDP crystal has to be improved while the temperature control uniformity should be upgraded for ADP crystal to realize large aperture high efficiency fourth harmonic generation.

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Fang Wang, Fu-quan Li, Xiang-xu Chai, Li-quan Wang, Wei Han, Huai-ting Jia, Li-dan Zhou, Bin Feng, and Yong Xiang "Efficient fourth harmonic generation of Nd: glass lasers in ADP and DKDP crystals", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92551R (3 February 2015); https://doi.org/10.1117/12.2065397

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