Chin. Phys. Lett.  2010, Vol. 27 Issue (2): 024209    DOI: 10.1088/0256-307X/27/2/024209
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
Double-Arched LD Array Stagger Pumped Electro-Optic Q-Switched Nd:YAG Laser without Water Cooling
CHEN Xin-Yu, JIN Guang-Yong, YU Yong-Ji, WANG Chao, HAO Da-Wei, WANG Yi-Bo
Institute of Laser Technology, School of Science, Changchun University of Science and Technology, Changchun 130022
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CHEN Xin-Yu, JIN Guang-Yong, YU Yong-Ji et al  2010 Chin. Phys. Lett. 27 024209
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Abstract We report an experimental study on a double-arched LD array stagger pumped electro-optic Q-switched Nd:YAG laser without water cooling by using a convex-concave compensate resonator. Perfect matching of the gain field inside the rod and the fundamental mode of the cavity is made by this structure. When the repetition rate is 20 Hz, A maximum output energy at 1064 nm wavelength of 176 mJ (M2=1.55) and 9.6 ns FWHM pulse width in fundamental mode Q-switch operation is obtained with LD injection current 120 A. The optical-optical conversion efficiency is 14.7%, the divergence angle of the output beam is about 1.8 mrad.
Keywords: 42.55.Xi      42.60.Da      42.60.Gd     
Received: 11 July 2009      Published: 08 February 2010
PACS:  42.55.Xi (Diode-pumped lasers)  
  42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)  
  42.60.Gd (Q-switching)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/27/2/024209       OR      https://cpl.iphy.ac.cn/Y2010/V27/I2/024209
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CHEN Xin-Yu
JIN Guang-Yong
YU Yong-Ji
WANG Chao
HAO Da-Wei
WANG Yi-Bo
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