Self-Generated Loss of Coherency in Brillouin Scattering and Reduction of Reflectivity
- 20 May 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 54 (20), 2230-2233
- https://doi.org/10.1103/physrevlett.54.2230
Abstract
Low reflectivity of stimulated Brillouin scattering is shown to result from wave-interaction incoherency caused by the ion sound-wave nonlinearity. The Brillouin reflectivity is numerically found to display a chaotic time evolution at laser fluxes below those at which ion sound-wave harmonic generation takes place. At these fluxes, the scattered light exhibits a spiky frequency spectrum. Scaling laws for the reflectivity are given.Keywords
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