Demonstration of a Long Pulse X-ray Source at the National Ignition Facility

May, M. J.; Opachich, Y. P.; Kemp, G. E.; Colvin, J. D.; Barrios, M. A.; Widmann, K. W.; Fournier, K. B.; Hohenberger, M.; Albert, F.; Regan, S. P.

doi:10.1063/1.4979172

Title: Demonstration of a Long Pulse X-ray Source at the National Ignition Facility

Journal Article · Wed Mar 29 00:00:00 EDT 2017 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4979172· OSTI ID:1460934

May, M. J. ^[1];

^[2]; Kemp, G. E. ^[1];

^[1];

^[3]; Albert, F. ^[1]; Regan, S. P. ^[3]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
National Security Technologies, LLC, Livermore, CA (United States)
Univ. of Rochester, NY (United States). Lab. for Laser Energetics

A long duration high fluence x-ray source has been developed at the National Ignition Facility (NIF). The target was a 14.4 mm tall, 4.1 mm diameter, epoxy walled, gas filled pipe. Approximately 1.34 MJ from the NIF laser was used to heat the mixture of (55:45) Kr:Xe at 1.2 atm (~5.59 mg/cm³) to emit in a fairly isotropic radiant intensity of 400–600 GW/sr from the E_photon = 3–7 keV spectral range for a duration of ≈ 14 ns. Lastly, the HYDRA simulated radiant intensities were in reasonable agreement with experiments but deviated at late times.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

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

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1460934

Alternate ID(s):: OSTI ID: 1363697

Report Number(s):: LLNL-JRNL-711937; 839750; TRN: US1901929

Journal Information:: Physics of Plasmas, Vol. 24, Issue 4; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 6 works

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