Efficient near-infrared, multiwavelengths PbWO4 Raman laser

被引：8
作者：
Lan, Ruijun [1 ]
Zhang, Fang [2 ]
Wang, Zhengping [2 ]
Xiong, Wei [3 ]
Yuan, Hui [3 ]
Feng, Tianli [4 ]
机构：
[1] Yantai Univ, Sch Optoelect Informat Sci & Technol, Yantai, Peoples R China
[2] Shandong Univ, State Key Lab Crystal Mat, Jinan, Shandong, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai, Peoples R China
[4] Max Born Inst Nonlinear Opt & Short Pulse Spect, Berlin, Germany
来源：
OPTICAL ENGINEERING | 2017年 / 56卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Raman effect; scattering; solid state lasers; nonlinear optics; optical materials; TETRAGONAL PBWO4; CRYSTAL; GENERATION; OPERATION;
D O I：
10.1117/1.OE.56.9.096112
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on a near-infrared, multiwavelength-stimulated Raman scattering (SRS) laser source based on the PbWO4 crystal, pumped by a pico-second Nd:YAG laser. At a high pump level, simultaneous two phonon modes SRSs are obtained, including 901 and 323 cm(-1) Raman shifts, presenting six Raman spectral lines distributing in 1-to 1.5-mu m waveband. The largest Raman output energy is 0.72 mJ, corresponding to an optical conversion efficiency of 37.9% and a slope efficiency of 80.4%. This work manifests that, as a low cost, large size, and high damage threshold crystal, PbWO4 is an efficient, convenient SRS material to enrich near-infrared laser wavelengths. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：4
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