Pump depletion and the Raman gap in ignition-scale plasmas.
basic_science · Level V
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- Record sourced from PubMed, PMID 39562942.
- Also identified by DOI 10.1103/PhysRevE.110.045202.
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Abstract
Laser-plasma instabilities under ignition conditions for direct-drive inertial confinement fusion are studied using two-dimensional particle-in-cell simulations with a combination of in-plane (PP) and out-of-the-plane (SP) lasers. The results show that stimulated Raman side-scattering can induce significant pump depletion and form a gap in the Raman scattered-light spectra that have been observed in experiments.