Stimulated Raman scattering in CH4 gas using single cylindrical lens focusing

A ∼ 2 . 1 - µ m laser is within an atmospheric transmission window and can be used in remote sensing. In this work, a 1064-nm laser was used as the pump source, pressurized hydrogen was used as the Raman active medium, and a dual-wavelength ∼ 2 . 1 - µ m Raman laser was generated. The 2147-nm laser was generated by a combination processes of stimulated vibrational Raman scattering and stimulated rotational Raman scattering, while a 2132-nm laser was generated by stimulated S-branch vibrational Raman scattering. Optimizing experimental conditions yielded a maximum pulse energy of 76.1 mJ, a peak power of ∼ 9.2 M W , and a photon conversion efficiency of 29.8%.

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Stimulated Raman scattering in CH4 gas using single cylindrical lens focusing

Cited by 3 publications

References 26 publications

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The investigation of stimulated Raman scattering in gases under di-harmonic pumping

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