ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Design and performance of a composite Tm: YAG laser pumped by VBG-stabilized narrow-band laser diode |
Shu-Tao Dai(戴殊韬)1,2, Jian-Hong Huang(黄见洪)1, Hai-Zhou Huang(黄海舟)1,2, Li-Xia Wu(吴丽霞)1, Jin-Hui Li(李锦辉)1, Jing Deng(邓晶)1, Yan Ge(葛燕)1, Wen-Xiong Lin(林文雄)1 |
1 Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; 2 University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract A 2-μm composite Tm:YAG laser pumped with a narrow-band laser diode was presented. The temperature distribution and thermal lens in the Tm:YAG were numerically simulated by a finite element method and the results were used to design the special cavity, in order to achieve a high efficiency and stable output. With a 25-W incident pump power, we obtained a maximum output power of 11 W at 2018.5 nm, corresponding to a slope efficiency of 51.3% and an optical-to-optical efficiency of 44.5%, respectively. The beam quality was measured to be Mx2=1.8 and My2=1.6.
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Received: 16 February 2017
Revised: 18 March 2017
Accepted manuscript online:
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PACS:
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42.55.Xi
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(Diode-pumped lasers)
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42.72.Ai
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(Infrared sources)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.60.By
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(Design of specific laser systems)
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Fund: Project supported by the Science and Technology Major Project of Fujian Province,China (Grant No.2013HZ0003-2). |
Corresponding Authors:
Wen-Xiong Lin
E-mail: wxlin@fjirsm.ac.cn
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Cite this article:
Shu-Tao Dai(戴殊韬), Jian-Hong Huang(黄见洪), Hai-Zhou Huang(黄海舟), Li-Xia Wu(吴丽霞), Jin-Hui Li(李锦辉), Jing Deng(邓晶), Yan Ge(葛燕), Wen-Xiong Lin(林文雄) Design and performance of a composite Tm: YAG laser pumped by VBG-stabilized narrow-band laser diode 2017 Chin. Phys. B 26 074211
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