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Optics Letters

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  • Vol. 24, Iss. 18 — Sep. 15, 1999
  • pp: 1308–1310

High-energy conversion efficiency of transient stimulated Raman scattering in methane pumped by the fundamental of a femtosecond Ti:sapphire laser

I. G. Koprinkov, Akira Suda, Pengqian Wang, and Katsumi Midorikawa  »View Author Affiliations


Optics Letters, Vol. 24, Issue 18, pp. 1308-1310 (1999)
http://dx.doi.org/10.1364/OL.24.001308


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Abstract

We studied stimulated Raman scattering in pressurized methane in the highly transient regime pumped by 140-fs 0.7-mJ pulses from a Ti:sapphire (Ti:S) laser tuned at 750 nm. Energy-conversion efficiency of the first Stokes of more than 15% was achieved, with no strong sign of saturation with as much as 40 atm (1atm=760Torr) of Raman gas pressure. To our knowledge, this is the highest conversion efficiency of transient stimulated Raman scattering generated directly from the fundamental of a Ti:S laser.

© 1999 Optical Society of America

OCIS Codes
(190.2640) Nonlinear optics : Stimulated scattering, modulation, etc.
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(290.5910) Scattering : Scattering, stimulated Raman
(320.2250) Ultrafast optics : Femtosecond phenomena

Citation
I. G. Koprinkov, Akira Suda, Pengqian Wang, and Katsumi Midorikawa, "High-energy conversion efficiency of transient stimulated Raman scattering in methane pumped by the fundamental of a femtosecond Ti:sapphire laser," Opt. Lett. 24, 1308-1310 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-18-1308


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