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Qualification of a high-efficiency, gated spectrometer for x-ray Thomson scattering on the National Ignition Facility.
Döppner, T; Kritcher, A L; Neumayer, P; Kraus, D; Bachmann, B; Burns, S; Falcone, R W; Glenzer, S H; Hawreliak, J; House, A; Landen, O L; LePape, S; Ma, T; Pak, A; Swift, D.
Afiliación
  • Döppner T; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Kritcher AL; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Neumayer P; Gesellschaft für Schwerionenphysik, 64291 Darmstadt, Germany.
  • Kraus D; University of California, Berkeley, California 94720, USA.
  • Bachmann B; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Burns S; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Falcone RW; University of California, Berkeley, California 94720, USA.
  • Glenzer SH; SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA.
  • Hawreliak J; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • House A; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Landen OL; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • LePape S; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Ma T; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Pak A; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Swift D; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
Rev Sci Instrum ; 85(11): 11D617, 2014 Nov.
Article en En | MEDLINE | ID: mdl-25430193
ABSTRACT
We have designed, built, and successfully fielded a highly efficient and gated Bragg crystal spectrometer for x-ray Thomson scattering measurements on the National Ignition Facility (NIF). It utilizes a cylindrically curved Highly Oriented Pyrolytic Graphite crystal. Its spectral range of 7.4-10 keV is optimized for scattering experiments using a Zn He-α x-ray probe at 9.0 keV or Mo K-shell line emission around 18 keV in second diffraction order. The spectrometer has been designed as a diagnostic instrument manipulator-based instrument for the NIF target chamber at the Lawrence Livermore National Laboratory, USA. Here, we report on details of the spectrometer snout, its novel debris shield configuration and an in situ spectral calibration experiment with a Brass foil target, which demonstrated a spectral resolution of E/ΔE = 220 at 9.8 keV.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Rev Sci Instrum Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
Añadir a Mi BVS
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Rev Sci Instrum Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos