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2017 Volume 26 Issue 7
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Shu-Tao Dai, Jian-Hong Huang, Hai-Zhou Huang, Li-Xia Wu, Jin-Hui Li, Jing Deng, Yan Ge, Wen-Xiong Lin. 2017: Design and performance of a composite Tm∶YAG laser pumped by VBG-stabilized narrow-band laser diode, Chinese Physics B, 26(7): 140-143. doi: 10.1088/1674-1056/26/7/074211
Citation: Shu-Tao Dai, Jian-Hong Huang, Hai-Zhou Huang, Li-Xia Wu, Jin-Hui Li, Jing Deng, Yan Ge, Wen-Xiong Lin. 2017: Design and performance of a composite Tm∶YAG laser pumped by VBG-stabilized narrow-band laser diode, Chinese Physics B, 26(7): 140-143. doi: 10.1088/1674-1056/26/7/074211
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Design and performance of a composite Tm∶YAG laser pumped by VBG-stabilized narrow-band laser diode

  • Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China;University of Chinese Academy of Sciences, Beijing 100049, China

  • Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

  • Available Online: 30/12/2017
  • Fund Project: the Science and Technology Major Project of Fujian Province,China (Grant 2013HZ0003-2)
  • 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 M2x =1.8 and My2 =1.6.
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Design and performance of a composite Tm∶YAG laser pumped by VBG-stabilized narrow-band laser diode

  • Available Online: 30/12/2017

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 M2x =1.8 and My2 =1.6.

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