Generation of UV laser by Raman shifters in D2 and D2/He pumped by the fourth harmonic Nd:YAG laser for SO2 measurements

Jun Yin; Guming Yue; Ben Xu; Huanling Hu; Jun Zhou; Shunxing Hu

doi:10.1117/12.619874

12 May 2005 Generation of UV laser by Raman shifters in D₂ and D₂/He pumped by the fourth harmonic Nd:YAG laser for SO₂ measurements

Jun Yin, Guming Yue, Ben Xu, Huanling Hu, Jun Zhou, Shunxing Hu

Author Affiliations +

Proceedings Volume 5832, Optical Technologies for Atmospheric, Ocean, and Environmental Studies; (2005) https://doi.org/10.1117/12.619874
Event: Optical Technologies for Atmospheric, Ocean, and Environmental Studies, 2004, Beijing, China

Abstract

The fourth harmonic (266nm) of a pulsed Nd: YAG laser is used to pump Raman cells filled with D₂ and D₂/He. The dependences of the energy conversion efficiency of stimulated Raman scattering radiations upon the system parameters such as the pump energy pressure of pure D2 and partial pressure of He in D₂/He mixture were experimentally studied. The maximum energy conversion efficiency of the first Stokes radiation (S₁, 289.O4nm) reaches 22.1% in D₂/He. The conditions to improve the energy conversion efficiency of Si were found. The results have been used to optimize the laser transmitter system for a S0₂ differential absorption lidar (S0₂-DIAL).

Citation Download Citation

Jun Yin, Guming Yue, Ben Xu, Huanling Hu, Jun Zhou, and Shunxing Hu "Generation of UV laser by Raman shifters in D₂ and D₂/He pumped by the fourth harmonic Nd:YAG laser for SO₂ measurements", Proc. SPIE 5832, Optical Technologies for Atmospheric, Ocean, and Environmental Studies, (12 May 2005); https://doi.org/10.1117/12.619874

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