Barr, H C, Boyd, T J M and Lukyanov, A V (2000) Raman gain against a background of non-thermal ion fluctuations in a plasma. Journal of Plasma Physics. pp. 623-630. ISSN 1469-7807
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Abstract
A complex stimulated Raman scattering event against a background of non-thermal ion acoustic waves in an inhomogeneous plasma is described. We obtain analytic forms for the Raman gain due to a five-wave interaction consisting of conventional three-wave Raman scattering followed by the decay of the Raman Langmuir wave into a second Langmuir wave (or a second scattered light wave) and an ion acoustic wave. Very modest levels of ion waves produce a. significant effect on Raman convective gain. A combination of plasma inhomogeneity and suprathermal ion fluctuations may offer a means for the control of Raman gain.
| Item Type: | Article |
|---|---|
| Copyright, Publisher and Additional Information: | © 2000 Cambridge University Press. |
| Keywords: | STIMULATED BRILLOUIN-SCATTERING, LANGMUIR DECAY INSTABILITY, LASER-PRODUCED PLASMA, ACOUSTIC-WAVES, ELECTRON-PLASMA |
| Academic Units: | The University of York > Physics (York) |
| Depositing User: | Repository Officer |
| Date Deposited: | 11 Oct 2005 |
| Last Modified: | 19 Feb 2013 12:07 |
| Status: | Published |
| Refereed: | Yes |
| Related URLs: | |
| URI: | http://eprints.whiterose.ac.uk/id/eprint/735 |
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