Experimental Observations of Nonlinear Saturation of the Two-Plasmon Decay Instability
1981; American Physical Society; Volume: 47; Issue: 23 Linguagem: Inglês
10.1103/physrevlett.47.1658
ISSN1092-0145
AutoresH. A. Baldis, Christopher J. Walsh,
Tópico(s)Atomic and Molecular Physics
ResumoDirect measurements by time-resolved Thomson scattering of the saturation of the two-plasmon decay instability driven by a C${\mathrm{O}}_{2}$ laser in an underdense plasma are presented. A time-correlated growth in ion fluctuations is also seen, enabling the saturation mechanism to be identified with the ion motions driven by the ponderomotive force associated with the large-amplitude electrostatic waves.
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