Effect of Ion-Wave Damping on Stimulated Raman Scattering in High- Laser-Produced Plasmas
RK Kirkwood, BJ MacGowan, DS Montgomery… - Physical review …, 1996 - APS
Physical review letters, 1996•APS
The dependence of the magnitude of stimulated Raman scattering (SRS) on ion-wave
damping has been demonstrated in a high-Z plasma. The ion-wave damping is varied in a
well characterized Xe plasma by varying the concentration of a C 5 H 12 impurity. The
reflectivity of SRS is observed to increase with the concentration of the dopant,
demonstrating the effect of ion-wave damping on SRS. The measurements are consistent
with models in which the amplitude of the SRS-driven Langmuir waves are limited by a …
damping has been demonstrated in a high-Z plasma. The ion-wave damping is varied in a
well characterized Xe plasma by varying the concentration of a C 5 H 12 impurity. The
reflectivity of SRS is observed to increase with the concentration of the dopant,
demonstrating the effect of ion-wave damping on SRS. The measurements are consistent
with models in which the amplitude of the SRS-driven Langmuir waves are limited by a …
Abstract
The dependence of the magnitude of stimulated Raman scattering (SRS) on ion-wave damping has been demonstrated in a high-Z plasma. The ion-wave damping is varied in a well characterized Xe plasma by varying the concentration of a C 5 H 12 impurity. The reflectivity of SRS is observed to increase with the concentration of the dopant, demonstrating the effect of ion-wave damping on SRS. The measurements are consistent with models in which the amplitude of the SRS-driven Langmuir waves are limited by a secondary decay into ion-acoustic waves.
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