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High power and high beam quality CW green beam generated by diode-side-pumped intracavity frequency doubled Nd:YAG laser |
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| Authors: | Xian-Kun Cheng Qian-Jin Cui Yong Zhou Zhi-Min Wang Yong Bo Da-Fu Cui Zu-Yan Xu |
| Affiliation: | a Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China b Research Center for Laser Physics and Technique, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China c Graduate School of the Chinese Academy of Sciences, Beijing 100190, China |
| 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 LBO crystal. By using a advanced resonator, a large fundamental mode size in the laser crystal and a tight focus in the nonlinear crystal could be obtained simultaneously, which are favorable for high power and high beam quality CW green laser generation. The green laser delivered a maximum 532 nm output power of 40 W. The corresponding optical-to-optical conversion efficiency and electrical-to-optical conversion efficiency were 8.6% and 5.0%, respectively. Under 532 nm output power of 34 W, the beam quality factor was measured to be 1.6. |
| Keywords: | 42.55.Rz 42.55.Xi 42.65.Ky |
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