The single-line-of-sight, time-resolved x-ray imager diagnostic on OMEGA

Theobald, W.; Sorce, C.; Bedzyk, M.; Ivancic, S. T.; Marshall, F. J.; Stoeckl, C.; Shah, R. C.; Lawrie, M.; Regan, S. P.; Sangster, T. C.; Campbell, E. M.; Hilsabeck, T. J.; Englehorn, K.; Kilkenny, J. D.; Morris, D.; Chung, T. M.; Hares, J. D.; Dymoke-Bradshaw, A. K.  L.; Bell, P.; Celeste, J.; Carpenter, A. C.; Dayton, M.; Bradley, D. K.; Jackson, M. C.; Pickworth, L.; Nagel, S. R.; Rochau, G.; Porter, J.; Sanchez, M.; Claus, L.; Robertson, G.; Looker, Q.

doi:10.1063/1.5036767

Title: The single-line-of-sight, time-resolved x-ray imager diagnostic on OMEGA

Journal Article · 07 October 2018 · Review of Scientific Instruments

DOI: https://doi.org/10.1063/1.5036767 · OSTI ID:1477184

Theobald, W. ^[1]; Sorce, C. ^[2]; Bedzyk, M. ^[2]; Ivancic, S. T. ^[2]; Marshall, F. J. ^[2]; Stoeckl, C. ^[2]; Shah, R. C. ^[2]; Lawrie, M. ^[2]; Regan, S. P. ^[2];

^[2]; Campbell, E. M. ^[2]; Hilsabeck, T. J. ^[3]; Englehorn, K. ^[3]; Kilkenny, J. D. ^[3]; Morris, D. ^[3];

^[4];

^[5]; Dymoke-Bradshaw, A. K. L. ^[5]; Bell, P. ^[6]; Celeste, J. ^[6] more »

Univ. of Rochester, NY (United States). Lab. for Laser Energetics; Laboratory for Laser Energetics, University of Rochester
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
General Atomics, San Diego, CA (United States)
TMC2 Innovations LLC, Murrieta, CA (United States)
Kentech Instruments Ltd., Howbery Park, Wallingford, Oxfordshire (United Kingdom)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

We present that the single-line-of-sight, time-resolved x-ray imager (SLOS-TRXI) on OMEGA is one of a new generation of fast-gated x-ray cameras comprising an electron pulse-dilation imager and a nanosecond-gated, burst-mode, hybrid complementary metal-oxide semiconductor sensor. SLOS-TRXI images the core of imploded cryogenic deuterium–tritium shells in inertial confinement fusion experiments in the ~4- to 9-keV photon energy range with a pinhole imager onto a photocathode. The diagnostic is mounted on a fixed port almost perpendicular to a 16 channel, framing-camera–based, time-resolved Kirkpatrick–Baez microscope, providing a second time-gated line of sight for hot-spot imaging on OMEGA. SLOS-TRXI achieves ~40-ps temporal resolution and better than 10 μm spatial resolution. Finally, shots with neutron yields of up to 1 × 10¹⁴ were taken without observed neutron-induced background signal. The implosion images from SLOS-TRXI show the evolution of the stagnating core.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Univ. of Rochester, NY (United States). Lab. for Laser Energetics

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

Grant/Contract Number:: AC52-07NA27344; FC02-04ER54789; NA0001944

OSTI ID:: 1477184

Report Number(s):: 2017--268,1440; LLNL-JRNL--754192; 2017-268, 1440, 2398

Journal Information:: Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 10 Vol. 89; ISSN 0034-6748

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

Country of Publication:: United States

Language:: English

References (12)

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A framed, 16-image Kirkpatrick–Baez x-ray microscope Marshall, F. J.; Bahr, R. E.; Goncharov, V. N. Review of Scientific Instruments, Vol. 88, Issue 9 https://doi.org/10.1063/1.5000737	journal	September 2017
Sub-nanosecond single line-of-sight (SLOS) x-ray imagers (invited) Engelhorn, K.; Hilsabeck, T. J.; Kilkenny, J. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5039648	journal	October 2018
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Demonstration of Fuel Hot-Spot Pressure in Excess of 50 Gbar for Direct-Drive, Layered Deuterium-Tritium Implosions on OMEGA Regan, S. P.; Goncharov, V. N.; Igumenshchev, I. V. Physical Review Letters, Vol. 117, Issue 2 https://doi.org/10.1103/physrevlett.117.025001	journal	July 2016
Publisher’s Note: Demonstration of Fuel Hot-Spot Pressure in Excess of 50 Gbar for Direct-Drive, Layered Deuterium-Tritium Implosions on OMEGA [Phys. Rev. Lett. 117 , 025001 (2016)] Regan, S. P.; Goncharov, V. N.; Igumenshchev, I. V. Physical Review Letters, Vol. 117, Issue 5 https://doi.org/10.1103/physrevlett.117.059903	journal	July 2016
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Cited By (3)

Sub-nanosecond single line-of-sight (SLOS) x-ray imagers (invited) Engelhorn, K.; Hilsabeck, T. J.; Kilkenny, J. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5039648	journal	October 2018
Inferred UV fluence focal-spot profiles from soft x-ray pinhole-camera measurements on OMEGA Theobald, W.; Sorce, C.; Donaldson, W. R. Review of Scientific Instruments, Vol. 91, Issue 2 https://doi.org/10.1063/1.5120708	journal	February 2020
The National Direct-Drive Inertial Confinement Fusion Program Regan, S. P.; Goncharov, V. N.; Sangster, T. C. Nuclear Fusion, Vol. 59, Issue 3 https://doi.org/10.1088/1741-4326/aae9b5	journal	December 2018

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