强激光与粒子束, 2005, 17 (11): 1621, 网络出版: 2021-01-25   

532 nm Nd:YAG激光的高效多波长受激喇曼转化

Efficient multi-wavelength Raman conversion of Nd:YAG laser at 532 nm
作者单位
中国科学院大连化学物理研究所,分子反应动力学国家重点实验室,辽宁,大连116023
摘要
Nd:YAG二倍频激光(532 nm)泵浦H2中的受激喇曼散射产生多级斯托克斯.其中一级、二级和三级斯托克斯的最高量子转换效率分别可达66%,60%和19%.在0.44 MPa下,可同时获得1 579 nm(19%),954 nm(30%),683 nm(33%),532 nm(14%),436 nm(3.7%)和368 nm(1.4%)的多波长输出.H2压力对多级斯托克斯转换有显著影响:高气压有利于产生高效的一级斯托克斯,而低气压则适合于高级斯托克斯和反斯托克斯的产生.
Abstract
Multi-order Stokes is generated in H2 pumped by a pulsed Nd:YAG laser at 532 nm.Maximum energy conversion efficiencies as high as 66%,60% and 19% are attained for the first,second and third Stokes respectively.Under 0.44 MPa H2,significant multi-wavelength outputs can be obtained simultaneously with quantum distribution of 19% at 1 579 nm,30% at 954 nm,33% at 683 nm,14% at 532 nm,3.7% at 436 nm,and 1.4% at 368 nm.High-pressure H2 is found to be the best for highly efficient first Stokes conversion,while low-pressure H2 is proved suitable for higher order Stokes and anti-Stokes generation.
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花晓清, 冷静, 杨何平, 沙国河, 张存浩. 532 nm Nd:YAG激光的高效多波长受激喇曼转化[J]. 强激光与粒子束, 2005, 17(11): 1621. HUA Xiao-qing, LENG Jing, YANG He-ping, SHA Guo-he, ZHANG Cun-hao. Efficient multi-wavelength Raman conversion of Nd:YAG laser at 532 nm[J]. High Power Laser and Particle Beams, 2005, 17(11): 1621.

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