Pump depletion and the Raman gap in ignition-scale plasmas

Cao, S. H.; Rosenberg, M. J.; Solodov, A. A.; Wen, H.; Ren, Chuang

doi:10.1103/physreve.110.045202

Title: Pump depletion and the Raman gap in ignition-scale plasmas

Journal Article · 15 October 2024 · Physical Review. E

DOI: https://doi.org/10.1103/physreve.110.045202 · OSTI ID:2475946

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University of Rochester, NY (United States)

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.

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Research Organization:: University of Rochester, NY (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0004144

OSTI ID:: 2475946

Journal Information:: Physical Review. E, Journal Name: Physical Review. E Journal Issue: 4 Vol. 110; ISSN 2470-0045

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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