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

Authors
Koprinkov, IG Suda, A Wang, PQ Midorikawa, K
Citation
Ig. Koprinkov et al., High-energy conversion efficiency of transient stimulated Raman scatteringin methane pumped by the fundamental of a femtosecond Ti : sapphire laser, OPTICS LETT, 24(18), 1999, pp. 1308-1310
Citations number
17
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Optics & Acoustics
Journal title
OPTICS LETTERS
ISSN journal
01469592 → ACNP
Volume
24
Issue
18
Year of publication
1999
Pages
1308 - 1310
Database
ISI
SICI code
0146-9592(19990915)24:18<1308:HCEOTS>2.0.ZU;2-D
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 (1 atm = 760 Torr) of Raman gas pressure. To our knowledge, this is the highest conversion efficiency of transient stimulated Raman scatteri ng generated directly from the fundamental of a Ti:S laser. (C) 1999 Optica l Society of America. OCIS codes: 190.7110, 190.2640, 320.2250, 290.5910.