V. Krylov, O. Ollikainen, J. Gallus, U. Wild, V. Bespalov, D. Staselko, A. Rebane
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Broadband femtosecond stimulated Raman scattering in H2-D2, H2-HD and H2-CH4 gas mixtures
Stimulated Raman scattering (SRS) in gases is an efficient method of frequency conversion of laser pulses with nano- pico and femtosecond [1] duration in the broad spectral range from UV to near IR. Previously we have shown that H2, D2, HD and CH4 are most appropriate media for transient femtosecond SRS due to large transient gain coefficient, short molecular relaxation time T2 and high optical breakdown threshold. Due to coherent character of Stokes- and anti-Stokes components, it has been suggested to use SRS for producing ultrashort pulses in sub-10-fs duration range [2].
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