X-ray Thomson scattering as a temperature probe for Gbar shock experiments
作者： T Döppner , A L Kritcher , D Kraus , S H Glenzer , B L Bachmann
DOI: 10.1088/1742-6596/500/19/192019
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摘要: In X-ray Thomson scattering (XRTS), spectrally-resolved spectrometry of probe x-rays scattered from matter gives an elastic (ionic) and inelastic (electronic) feature, whose location, width, amplitude can be analyzed for electron density temperature. This diagnostic is complementary to traditional, mechanical EOS measurements which do not directly constrain XRTS has been demonstrated on planar dynamic-loading experiments at the Omega laser, a spectrometer constructed use National Ignition Facility (NIF). We plan obtain into Gbar regime using hohlraum-driven converging shocks NIF. these experiments, radial profile through sample any instant time varies greatly, though signal dominated by densest region, close shock front where simultaneous radiography obtains measurement.
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