Stable High Power and High Beam Quality Diode-Side-Pumped Continuous-Wave Intracavity Frequency-Doubled Nd:YAG Laser |
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| Authors: | CHENG Xian-Kun ZHOU Yong CUI Qian-Jin YANG Feng BO Yong PENG Qin-Jun CUI Da-Fu XU Zu-Yan |
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| Affiliation: | Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190Research Center for Laser Physics and Technique, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190Graduate School of the Chinese Academy of Sciences, Beijing 100190 |
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| Abstract: | We report a stable high power and high beam quality diode-side-pumped cw green laser from intracavity frequency-doubled Nd:YAG laser with KTP. By using a L-shaped concave--convex resonator, designed with two Nd:YAG rods birefringence compensation, a large fundamental mode size in the laser crystal and a tight focus in the nonlinear crystal could be obtained simultaneously. The green laser delivers a maximum 532nm output power of 23.2W. Under 532nm output power of 20.9W, the beam quality factor is measured to be 4.1, and the fluctuation of the output power is less than 1.4% in an hour. |
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| Keywords: | 42.55.Rz')" >42.55.Rz 42.55.Xi ')" > 42.65.Ky |
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