Adaptive optimization for nonlinear optical frequency conversion of femtosecond laser

zhang peiqing; guan yefeng; xie xiangsheng; qiu zhiren; zhou jianying

Volume 22 Issue 11

Sep. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(11): 0-

sheng yong1, jiang gang, zhu zheng-he, et al. Dielectronicrecombination rate study of Hlike， Helike and Lilike Mg and Al ions[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

zhang peiqing, guan yefeng, xie xiangsheng, et al. Adaptive optimization for nonlinear optical frequency conversion of femtosecond laser[J]. High Power Laser and Particle Beams, 2010, 22.

sheng yong1, jiang gang, zhu zheng-he, et al. Dielectronicrecombination rate study of Hlike， Helike and Lilike Mg and Al ions[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

zhang peiqing, guan yefeng, xie xiangsheng, et al. Adaptive optimization for nonlinear optical frequency conversion of femtosecond laser[J]. High Power Laser and Particle Beams, 2010, 22.

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Adaptive optimization for nonlinear optical frequency conversion of femtosecond laser

1.
State Key Laboratory of Optoelectronic Materials and Technologies,Sun Yat-sen University,Guangzhou 510275,China

Publish Date: 2010-09-29

Abstract

Abstract

The adaptive optical system with close-loop control can modulate the wavefront of femtosecond pulses, which can effectively improve the reduced efficiency caused by the phase distortion and optical deviation in the interaction between laser and materials. Using a programmable pure-phase liquid crystal spatial light modulator, the adaptive optimal system based on simulated annealing algorithm can automatically compensate the efficiency decline caused by the phase distortion and optical deviation during the second harmonic generation process of femtosecond pulses in a BBO crystal.
- adaptive optics,
- nonlinear optical frequency conversion,
- spatial light modulation,
- simulated annealing algorithm

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