Stimulated Raman scattering of high pressure gas in multiple-pass configuration

Zhonghui Li; XiangLong Cai; Jingwei Guo; Hongxing Cai; Gao Chen

doi:10.1117/12.2257626

13 January 2017 Stimulated Raman scattering of high pressure gas in multiple-pass configuration

Zhonghui Li, XiangLong Cai, Jingwei Guo, Hongxing Cai, Gao Chen

Proceedings Volume 10254, XXI International Symposium on High Power Laser Systems and Applications 2016; 102540C (2017) https://doi.org/10.1117/12.2257626
Event: XXI International Symposium on High Power Laser Systems and Applications, 2016, Gmunden, Austria

Abstract

SRS (Stimulated Raman Scattering) is a very effective method to expand the spectrum range of high power laser, especially in the regime of near IR and middle IR. In this paper SRS of high pressure H₂ and D₂ with MPC (multiple-pass cell) configuration were reported. Relation of (FS1) first forward Stokes and (BS1) first backward Stokes has been analysis. The process of gain of FS1 was explained. Experimental results also indicated the second Stokes was also generated. D₂ SRS of the fundamental output of Nd:YAG laser generates the second Stokes light of 2.92 m. The lasers with wavelength of 2.9 μm have broad applications. Finally, multiple-pass SRS was better for complete conversion of pump laser.

Citation Download Citation

Zhonghui Li, XiangLong Cai, Jingwei Guo, Hongxing Cai, and Gao Chen "Stimulated Raman scattering of high pressure gas in multiple-pass configuration", Proc. SPIE 10254, XXI International Symposium on High Power Laser Systems and Applications 2016, 102540C (13 January 2017); https://doi.org/10.1117/12.2257626

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KEYWORDS

Raman spectroscopy

Raman scattering

Mirrors

Energy efficiency

Laser scattering

Mid-IR

Nd:YAG lasers

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