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The Scattered Light Time-history Diagnostic suite at the National Ignition Facility.
Rosenberg, M J; Hernandez, J E; Butler, N; Filkins, T; Bahr, R E; Jungquist, R K; Bedzyk, M; Swadling, G; Ross, J S; Michel, P; Lemos, N; Eichmiller, J; Sommers, R; Nyholm, P; Boni, R; Marozas, J A; Craxton, R S; McKenty, P W; Sharma, A; Radha, P B; Froula, D H; Datte, P; Gorman, M; Moody, J D; Heinmiller, J M; Fornes, J; Hillyard, P; Regan, S P.
Afiliação
  • Rosenberg MJ; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Hernandez JE; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Butler N; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Filkins T; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Bahr RE; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Jungquist RK; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Bedzyk M; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Swadling G; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Ross JS; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Michel P; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Lemos N; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Eichmiller J; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Sommers R; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Nyholm P; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Boni R; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Marozas JA; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Craxton RS; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • McKenty PW; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Sharma A; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Radha PB; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Froula DH; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Datte P; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Gorman M; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Moody JD; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Heinmiller JM; Nevada National Security Site, Livermore, California 94551, USA.
  • Fornes J; Nevada National Security Site, Livermore, California 94551, USA.
  • Hillyard P; Nevada National Security Site, Livermore, California 94551, USA.
  • Regan SP; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
Rev Sci Instrum ; 92(3): 033511, 2021 Mar 01.
Article em En | MEDLINE | ID: mdl-33820108
The Scattered Light Time-history Diagnostic (SLTD) is being implemented at the National Ignition Facility (NIF) to greatly expand the angular coverage of absolute scattered-light measurements for direct- and indirect-drive inertial confinement fusion (ICF) experiments. The SLTD array will ultimately consist of 15 units mounted at a variety of polar and azimuthal angles on the NIF target chamber, complementing the existing NIF backscatter suite. Each SLTD unit collects and diffuses scattered light onto a set of three optical fibers, which transport the light to filtered photodiodes to measure scattered light in different wavelength bands: stimulated Brillouin scattering (350 nm-352 nm), stimulated Raman scattering (430 nm-760 nm), and ω/2 (695 nm-745 nm). SLTD measures scattered light with a time resolution of ∼1 ns and a signal-to-noise ratio of up to 500. Currently, six units are operational and recording data. Measurements of the angular dependence of scattered light will strongly constrain models of laser energy coupling in ICF experiments and allow for a more robust inference of the total laser energy coupled to implosions.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2021 Tipo de documento: Article
Texto completo
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PubMed Links
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2021 Tipo de documento: Article