High efficiency extra-cavity frequency conversion UV laser

li bin; yao jianquan; ding xin; zhang fan; wang peng

Volume 23 Issue 02

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(02): 0-

wang jia-yin, shi jia-ming, yuan zhong-cai, et al. Plasma diagnostic method using the transmission attenuation of microwaves at three frequencies[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

li bin, yao jianquan, ding xin, et al. High efficiency extra-cavity frequency conversion UV laser[J]. High Power Laser and Particle Beams, 2011, 23.

wang jia-yin, shi jia-ming, yuan zhong-cai, et al. Plasma diagnostic method using the transmission attenuation of microwaves at three frequencies[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

li bin, yao jianquan, ding xin, et al. High efficiency extra-cavity frequency conversion UV laser[J]. High Power Laser and Particle Beams, 2011, 23.

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High efficiency extra-cavity frequency conversion UV laser

1.
Institute of Laser and Optoelectronics,College of Precision Instrument and Optoelectronics Engineering,Tianjin University,Tianjin 300072,China

Publish Date: 2011-01-25

Abstract

Abstract

High efficiency extra-cavity third harmonic generation (THG) of 355 nm beam has been developed. A laser diode（LD） end-pumped, acoustic optical Q-switched Nd:YAG laser was used as the fundamental wave source. With an input pump power of 25 W, the average power of 6.2 W at 1 064 nm was generated with the repetition rate of 12 kHz. Using the extra cavity frequency conversion of three critical phase match LiO3O5 (LBO) crystals, 2.7 W third harmonic radiation at 355 nm was obtained. The optical to optical (1 064 nm to 355 nm) conversion efficiency was up to 43.5%．
- laser techniques,
- uv laser,
- lbo crystal,
- extra-cavity frequency conversion

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