1 June 1991 Reflectivity of stimulated Brillouin scattering in picosecond time scales
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Proceedings Volume 1413, Short-Pulse High-Intensity Lasers and Applications; (1991) https://doi.org/10.1117/12.46146
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States
Measurements of reflectivity of stimulated Brillouin scattering, from an underdense, homogeneous plasma, irradiated by a 10 ps-1.06μm laser pulse, show an increase from 10-4 to 10-2, as the laser intensity is varied between 1013 to 1015 W/cm2. Numerical simulations have been developed to interpret these data. At low laser intensity, (<1014 W/cm2), the low reflectivity is well explained as being due to saturation of the instability in the convective regime, and good agreement with numerical simulations has been obtained. At high laser intensity, the model predicts higher reflectivities than measured in the experiment, although non-linear effects in ion sound waves evolution have been observed.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. Labaune, Wojciech Rozmus, Hector A. Baldis, Patrick Mounaix, Denis Pesme, S. D. Baton, Bruno LaFontaine, David M. Villeneuve, and G. D. Enright "Reflectivity of stimulated Brillouin scattering in picosecond time scales", Proc. SPIE 1413, Short-Pulse High-Intensity Lasers and Applications, (1 June 1991); doi: 10.1117/12.46146; https://doi.org/10.1117/12.46146


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