Chin. Phys. Lett.  2012, Vol. 29 Issue (9): 094202    DOI: 10.1088/0256-307X/29/9/094202
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
High Power Q-Switched Dual-End-Pumped Ho:YAG Laser
DUAN Xiao-Ming**, SHEN Ying-Jie, DAI Tong-Yu, YAO Bao-Quan, WANG Yue-Zhu
National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
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DUAN Xiao-Ming, SHEN Ying-Jie, DAI Tong-Yu et al  2012 Chin. Phys. Lett. 29 094202
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Abstract We report the high power acousto-optically Q-switched operation of a dual-end-pumped Ho:YAG laser at room temperature. For the Q-swithched mode, a maximum pulse energy of 2.4 mJ and a minimum pulse width of 23 ns at the repetition rate of 10 kHz are achieved, resulting in a peak power of 104.3 kW. The beam quality factor of M 2~1.5, which is demonstrated by a knife-edge method. In addition, the Ho:YAG laser is employed as a pumping source of ZGP optical parametric oscillator, and its total average output power is 13.2 W at 3.9 μm and 4.4 μm with a slope efficiency of 68.4%.
Received: 23 May 2012      Published: 01 October 2012
PACS:  42.55.Rz (Doped-insulator lasers and other solid state lasers)  
  42.60.Gd (Q-switching)  
  42.72.Ai (Infrared sources)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/29/9/094202       OR      https://cpl.iphy.ac.cn/Y2012/V29/I9/094202
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DUAN Xiao-Ming
SHEN Ying-Jie
DAI Tong-Yu
YAO Bao-Quan
WANG Yue-Zhu
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