Generation of UV laser light by stimulated Raman scattering in D2, D2/Ar and D2/He using a pulsed Nd:YAG laser at 355nm

doi:10.1088/1009-1963/12/9/318

中国物理B ›› 2003, Vol. 12 ›› Issue (9): 1021-1025.doi: 10.1088/1009-1963/12/9/318

Generation of UV laser light by stimulated Raman scattering in D₂, D₂/Ar and D₂/He using a pulsed Nd:YAG laser at 355nm

徐贲, 岳古明, 张寅超, 胡欢陵, 周军, 胡顺星

State Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China

收稿日期:2002-12-16 修回日期:2003-05-01 出版日期:2003-09-16 发布日期:2005-03-16
基金资助:
Project supported by the National High Technology Development Programme of China.

Generation of UV laser light by stimulated Raman scattering in D₂, D₂/Ar and D₂/He using a pulsed Nd:YAG laser at 355nm

Xu Ben (徐贲), Yue Gu-Ming (岳古明), Zhang Yin-Chao (张寅超), Hu Huan-Ling (胡欢陵), Zhou Jun (周军), Hu Shun-Xing (胡顺星)

State Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China

Received:2002-12-16 Revised:2003-05-01 Online:2003-09-16 Published:2005-03-16
Supported by:
Project supported by the National High Technology Development Programme of China.

摘要/Abstract

摘要： A pulsed Nd:YAG laser at 355nm is used to pump Raman cell filled with D_2, D_2/Ar and D_2/He. With adequately adjusted parameters, the maximum photon conversion efficiency of the first-order Stokes light (S_1, 396.796nm) reaches 33.33% in D_2/Ar and the stability of S_1 in pure D_2 is fairly high, the energy drift being less than 10% when the pump energy drifts in the range of 5%. The conversion efficiency and stability, which are functions of the composition and pressure of the Raman medium and the energy of pump laser, are investigated. The result has been used to optimize the laser transmitter system for a differential absorption lidar system to measure NO_2 concentration profiles.

Abstract: A pulsed Nd:YAG laser at 355nm is used to pump Raman cell filled with D$_2$, D$_2$/Ar and D$_2$/He. With adequately adjusted parameters, the maximum photon conversion efficiency of the first-order Stokes light (S$_1$, 396.796nm) reaches 33.33% in D$_2$/Ar and the stability of S$_1$ in pure D$_2$ is fairly high, the energy drift being less than 10% when the pump energy drifts in the range of 5%. The conversion efficiency and stability, which are functions of the composition and pressure of the Raman medium and the energy of pump laser, are investigated. The result has been used to optimize the laser transmitter system for a differential absorption lidar system to measure NO$_2$ concentration profiles.

Key words: stimulated Raman scattering (SRS), conversion efficiency, conversion stability

中图分类号: (Other nonmetallic inorganics)

78.30.Hv

42.65.Dr (Stimulated Raman scattering; CARS) 42.55.Rz (Doped-insulator lasers and other solid state lasers)

徐贲, 岳古明, 张寅超, 胡欢陵, 周军, 胡顺星. Generation of UV laser light by stimulated Raman scattering in D₂, D₂/Ar and D₂/He using a pulsed Nd:YAG laser at 355nm[J]. 中国物理B, 2003, 12(9): 1021-1025.

Xu Ben (徐贲), Yue Gu-Ming (岳古明), Zhang Yin-Chao (张寅超), Hu Huan-Ling (胡欢陵), Zhou Jun (周军), Hu Shun-Xing (胡顺星). Generation of UV laser light by stimulated Raman scattering in D₂, D₂/Ar and D₂/He using a pulsed Nd:YAG laser at 355nm[J]. Chinese Physics, 2003, 12(9): 1021-1025.

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Generation of UV laser light by stimulated Raman scattering in D₂, D₂/Ar and D₂/He using a pulsed Nd:YAG laser at 355nm

Generation of UV laser light by stimulated Raman scattering in D₂, D₂/Ar and D₂/He using a pulsed Nd:YAG laser at 355nm

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