An efficient continuous-wave YVO4/Nd: YVO4/YVO4 self-Raman laser pumped by a wavelength-locked 878.9 nm laser diode

doi:10.1088/1674-1056/25/11/114207

Abstract We report an efficient continuous-wave self-Raman laser at 1176 nm based on a 20-mm-long composite YVO₄/Nd:YVO₄/YVO₄ crystal and pumped by a wavelength-locked 878.9 nm diode laser. A maximum output power of 5.3 W is achieved at a pump power of 26 W, corresponding to an optical conversion efficiency of 20% and a slope efficiency of 21%. The Raman threshold for the diode pump power was only 0.92 W. The results reveal that in-band pumping by a wavelength-locked diode laser significantly enhances output power and efficiency of self-Raman lasers by virtue of improved pump absorption and relieved thermal loading.

Keywords: continuous-wave self-Raman laser in-band pumping composite crystal

Received: 18 April 2016
Revised: 30 June 2016
Accepted manuscript online:

PACS:	42.55.-f	(Lasers)
	42.55.Xi	(Diode-pumped lasers)
	42.55.Ye	(Raman lasers)

Fund: Project supported by the Natural Science Foundation of Jiangsu Province, China (Grant Nos. BK20130453 and BK20130434) and the National Natural Science Foundation of China (Grant No. 11304271).

Corresponding Authors: Li Fan
E-mail: fanli@yzu.edu.cn

Cite this article:

Li Fan(樊莉), Weiqian Zhao(赵伟倩), Xin Qiao(乔鑫), Changquan Xia(夏长权), Lichun Wang(汪丽春), Huibo Fan(范会博), Mingya Shen(沈明亚) An efficient continuous-wave YVO₄/Nd: YVO₄/YVO₄ self-Raman laser pumped by a wavelength-locked 878.9 nm laser diode 2016 Chin. Phys. B 25 114207

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[1]	Multi-wavelength continuous-wave Nd:YVO₄ self-Raman laser under in-band pumping Li Fan(樊莉), Xiao-Dong Zhao(赵孝冬), Yun-Chuan Zhang(张蕴川), Xiao-Dong Gu(顾晓东), Hao-Peng Wan(万浩鹏), Hui-Bo Fan(范会博), Jun Zhu(朱骏). Chin. Phys. B, 2019, 28(8): 084210.
[2]	Theoretical analysis and experimental research on thermal focal length of a YVO₄/Nd:YVO₄ composite crystal Zhou Cheng(周城). Chin. Phys. B, 2009, 18(4): 1547-1552.

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An efficient continuous-wave YVO4/Nd: YVO4/YVO4 self-Raman laser pumped by a wavelength-locked 878.9 nm laser diode

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An efficient continuous-wave YVO₄/Nd: YVO₄/YVO₄ self-Raman laser pumped by a wavelength-locked 878.9 nm laser diode