Stimulated backward Raman scattering excited in the picosecond range: high efficiency conversions
β Scribed by R. Chevalier; A. Sokolovskaia; N. Tcherniega; G. Rivoire
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 635 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0030-4018
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Tne threshold of stimulated Raman scaitering in nitrogen has been studied experimentally in the interval 50-350 amags under excitation of a picosccolid pulse train. The results show that this threshold does not depend on the h&width of the Q-branch, in accordance with Akmancv's theory for SRS P&I in
New frequency conversion processes leading to emission in the visible spectral range were observed for the Γrst time by multiple Stokes and anti-Stokes Raman generation arising from intrinsic second harmonic generation in three di β erent [ v(2) + v(3) ] -nonlinear and laser host crystals under LaBGe