Based on the theoretic optimized values of intracavity passive confocal unstable resonator, the beam quality of optical parametric oscillator (OPO) laser is tested experimentally. The transmission energy of laser is about 70.6 mJ/pulse and far-field divergence angle is below 5mrad. The possible factors of affecting beam quality are analyzed. The high quality of 1.57 m laser can be obtained through optimized design.
Key words
divergence angle /
OPO laser /
beam quality
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References
[1]保奭燚，巩马理，陈刚，等.高光束质量人眼安全OPO激光器[J]. 激光与红外，2003,33(5): 343-345.
BAO Shi-yi, GONG Ma-li, CHEN Gang, et al. High beam quality eye-safe optical parametric oscillato[J]. Laser & Infrared, 2003,33(5): 343-345.(in Chinese with an English abstract)
[2]包照日格图，苟滔，韩隆，等.小型人眼安全OPO激光器[J]. 激光与红外，2003,33(3): 190-191.
BAO Zhao-ri-ge-tu, GOU Tao, HAN Long, et al. Eye safe minntype OPO laser[J]. Laser & Infrared, 2003,33(3): 190-191.(in Chinese with an English abstract)
[3]陈波，程勇. 加固型人眼安全OPO激光器的设计[J]. 激光技术，2004,28(1): 91-93.
CHEN Bo, CHENG Yong. Consolidated design of eye-safe OPO laser[J]. Laser Technology, 2004,28(1): 91-93.(in Chinese with an English abstract)
[4]张琳琳. 人眼安全对海激光测距机激光器及光束质量研究[D].石家庄：军械工程学院，2009.
Zhan
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Footnotes
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