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- Title
Enhanced Raman scattering of a rippled laser beam in a magnetized collisional plasma.
- Authors
NARESHPAL SINGH SAINI; TARSEM SINGH GILL
- Abstract
In the laserplasma interaction experiments, self-focusing and filamentation affect quite a large number of other parametric processes including stimulated scattering processes. Nonlinearity considered in the present problem is the collisional type. The coupling between the main beam, ripple, and excited electron plasma wave is strong. Authors have investigated the growing interaction of a rippled laser beam with an electron plasma wave leading to enhanced Raman scattering. An expression for scattered power is derived and the effect of the externally applied magnetic field on the enhancement of scattered power is observed. From computational results, it is observed that the effect of increased intensity of the main beam leads to suppression of power associated with the Raman scattered wave.
- Subjects
RAMAN effect; PLASMA waves; ACOUSTIC surface waves; ELECTRON beams; MAGNETOHYDRODYNAMICS
- Publication
Laser & Particle Beams, 2004, Vol 22, Issue 1, p35
- ISSN
0263-0346
- Publication type
Article
- DOI
10.1017/s0263034604221073