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High repetition-rate dual-channel X-ray spectrometer for high-intensity laser-plasma experiments.
Zeraouli, G; Mariscal, D A; Swanson, K K; Grace, E; Folsom, E N; Hill, M P; Williams, G J; Simpson, R A; Djordjevic, B Z; Daskalova, R; Tiscareno, G; Hanggi, D; Spingola, P; Unzicker, B; Kuz, C; Andrews, S; Costa, R; Cauble, B; Albert, F; Schumacher, D W; Rocca, J J; Ma, T.
Affiliation
  • Zeraouli G; Colorado State University, Fort Collins, Colorado 80523, USA.
  • Mariscal DA; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Swanson KK; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Grace E; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Folsom EN; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Hill MP; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Williams GJ; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Simpson RA; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Djordjevic BZ; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Daskalova R; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Tiscareno G; The Ohio State University, Columbus, Ohio 43210, USA.
  • Hanggi D; The Ohio State University, Columbus, Ohio 43210, USA.
  • Spingola P; The Ohio State University, Columbus, Ohio 43210, USA.
  • Unzicker B; The Ohio State University, Columbus, Ohio 43210, USA.
  • Kuz C; The Ohio State University, Columbus, Ohio 43210, USA.
  • Andrews S; The Ohio State University, Columbus, Ohio 43210, USA.
  • Costa R; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Cauble B; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Albert F; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Schumacher DW; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Rocca JJ; The Ohio State University, Columbus, Ohio 43210, USA.
  • Ma T; Colorado State University, Fort Collins, Colorado 80523, USA.
Rev Sci Instrum ; 95(7)2024 Jul 01.
Article in En | MEDLINE | ID: mdl-38990079
ABSTRACT
We describe the development and demonstration of a high-repetition-rate-capable dual-channel (DC) x-ray spectrometer designed for high-intensity laser-plasma experiments (≥1×1021 W/cm2). The spectrometer, which operates at high repetition rates, is limited only by the refresh rate of targets and the camera's frame rate. It features two channels, each equipped with a flat highly oriented pyrolytic graphite (HOPG) crystal and a unique detector plane, allowing it to resolve two distinct x-ray bands approximately 7-10 and 10-13 keV. Each detector plate carrier holds two slots for active (scintillators) or passive (imaging plates) x-ray detectors. We present the design and testing of the HR-DC-HOPG using both the COMET laser (10 J, 0.5 ps shot/4 min) at LLNL's Jupiter Laser Facility and the SCARLET laser (10 J, 30 fs shot/min) at Ohio State University. The results demonstrate the spectrometer's performance across various laser energies, target materials, pulse shapes, and detector types.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Rev Sci Instrum Year: 2024 Document type: Article Affiliation country: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Rev Sci Instrum Year: 2024 Document type: Article Affiliation country: United States