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All solid-state passively Q-switched frequency-doubled intra-cavity Nd:GdVO4/KTP laser

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Abstract

In this paper, laser frequency-double and passive Q-switching are studied. The optimum coupling at end-pump and optimum design of resonator are also investigated. The maximum output power of TEM00 is 1.68 W at 1.06-μm wavelength. Optic-optic conversion efficiency is 48.6%, and the slope efficiency is 56.3%. The maximum output of green light is 0.235 W. The smallest pulse-width of green light is 27.42 ns, optic-optic conversion efficiency of green light is 7%, and beam quality factor M2<1.2. Thermal lens effect is discussed.

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所属栏目:lasers and laser optics

收稿日期:2004-07-02

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Chuanbo Gong:Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031
Changshui Chen:Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031
Bian Wu:Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031
Qingli Zhang:Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031
Xianyou Wu:Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031
Shaotang Yin:Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031

联系人作者:Chuanbo Gong(cbgong@126.com)

备注:This work was supported by the Natural Science Foundation of Anhui under Grant No. 01042403. C. Gong's e-mail address is cbgong@126.com

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