| Double-Arched LD Array Stagger Pumped Electro-Optic Q-Switched Nd：YAG Laser without Water Cooling |
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| 作者姓名： | 陈薪羽 金光勇 于永吉 王超 郝大伟 王奕博 |
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| 基金项目： | Supported by the Science and Technology Innovation Foundation of Changchun City under Grant No 2008cc06. |
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| 摘 要： | 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.
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| 关 键 词： | Nd：YAG激光 电光调Q开关 泵浦 阵列 LD 无水冷 交错 能量转换效率 |
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