Amplification of an ultrashort pulse laser by stimulated Raman scattering of a 1 ns pulse in a low density plasma
- University of California, Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551 (United States)
Experiments are described in which a 1 mJ, 1 ps, 1200 nm seed laser beam is amplified by the interaction with an intersecting 350 J, 1 ns, 1054 nm pump beam in a low density (1x10{sup 19}/cm{sup 3}) plasma. The transmission of the seed beam is observed to be enhanced by > or approx. 25x when the plasma is near the resonant density for stimulated Raman scattering, compared to measured transmissions at wavelengths just below the resonant value. The amplification is observed to increase rapidly with increases in both pump intensity and plasma density.
- OSTI ID:
- 21069925
- Journal Information:
- Physics of Plasmas, Vol. 14, Issue 11; Other Information: DOI: 10.1063/1.2804083; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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