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Title: Comparison of implosion core metrics: A 10 ps dilation X-ray imager vs a 100 ps gated microchannel plate [Comparison of implosion core shape observations, 10 ps dilation X-ray imager vs 100 ps gated microchannel plate]

Abstract

The dilation x-ray imager (DIXI) is a high-speed x-ray framing camera that uses the pulse-dilation technique to achieve a temporal resolution of less than 10 ps. This is a 10× improvement over conventional framing cameras currently employed on the National Ignition Facility (NIF) (100 ps resolution), and otherwise only achievable with 1D streaked imaging. A side effect of the dramatically reduced gate width is the comparatively lower detected signal level. Therefore we implement a Poisson noise reduction with non-local principal component analysis method to improve the robustness of the DIXI data analysis. Furthermore, we present results on ignition-relevant experiments at the NIF using DIXI. In particular we focus on establishing that/when DIXI gives reliable shape metrics (P0, P2 and P4 Legendre modes, and their temporal evolution/swings).

Authors:
ORCiD logo [1];  [1];  [1];  [2];  [1];  [1]; ORCiD logo [3];  [1];  [1]
+ Show Author Affiliations
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. General Atomics, San Diego, CA (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1336985
Report Number(s):
LLNL-PROC-694130
Journal ID: ISSN 0034-6748; RSINAK
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 87; Journal Issue: 11; Conference: Proceedings of the 21st Topical Conference on High-Temperature Plasma Diagnostics, Madison, WI (United States), 5-9 Jun 2016; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Nagel, S. R., Benedetti, L. R., Bradley, D. K., Hilsabeck, T. J., Izumi, N., Khan, S., Kyrala, G. A., Ma, T., and Pak, A. Comparison of implosion core metrics: A 10 ps dilation X-ray imager vs a 100 ps gated microchannel plate [Comparison of implosion core shape observations, 10 ps dilation X-ray imager vs 100 ps gated microchannel plate]. United States: N. p., 2016. Web. doi:10.1063/1.4959917.
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Nagel, S. R., Benedetti, L. R., Bradley, D. K., Hilsabeck, T. J., Izumi, N., Khan, S., Kyrala, G. A., Ma, T., & Pak, A. Comparison of implosion core metrics: A 10 ps dilation X-ray imager vs a 100 ps gated microchannel plate [Comparison of implosion core shape observations, 10 ps dilation X-ray imager vs 100 ps gated microchannel plate]. United States. https://doi.org/10.1063/1.4959917
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Nagel, S. R., Benedetti, L. R., Bradley, D. K., Hilsabeck, T. J., Izumi, N., Khan, S., Kyrala, G. A., Ma, T., and Pak, A. Fri . "Comparison of implosion core metrics: A 10 ps dilation X-ray imager vs a 100 ps gated microchannel plate [Comparison of implosion core shape observations, 10 ps dilation X-ray imager vs 100 ps gated microchannel plate]". United States. https://doi.org/10.1063/1.4959917. https://www.osti.gov/servlets/purl/1336985.
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@article{osti_1336985,
title = {Comparison of implosion core metrics: A 10 ps dilation X-ray imager vs a 100 ps gated microchannel plate [Comparison of implosion core shape observations, 10 ps dilation X-ray imager vs 100 ps gated microchannel plate]},
author = {Nagel, S. R. and Benedetti, L. R. and Bradley, D. K. and Hilsabeck, T. J. and Izumi, N. and Khan, S. and Kyrala, G. A. and Ma, T. and Pak, A.},
abstractNote = {The dilation x-ray imager (DIXI) is a high-speed x-ray framing camera that uses the pulse-dilation technique to achieve a temporal resolution of less than 10 ps. This is a 10× improvement over conventional framing cameras currently employed on the National Ignition Facility (NIF) (100 ps resolution), and otherwise only achievable with 1D streaked imaging. A side effect of the dramatically reduced gate width is the comparatively lower detected signal level. Therefore we implement a Poisson noise reduction with non-local principal component analysis method to improve the robustness of the DIXI data analysis. Furthermore, we present results on ignition-relevant experiments at the NIF using DIXI. In particular we focus on establishing that/when DIXI gives reliable shape metrics (P0, P2 and P4 Legendre modes, and their temporal evolution/swings).},
doi = {10.1063/1.4959917},
journal = {Review of Scientific Instruments},
number = 11,
volume = 87,
place = {United States},
year = {Fri Aug 05 00:00:00 EDT 2016},
month = {Fri Aug 05 00:00:00 EDT 2016}
}
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https://doi.org/10.1063/1.4959917
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Works referenced in this record:

Imaging of high-energy x-ray emission from cryogenic thermonuclear fuel implosions on the NIF
journal, October 2012

  • Ma, T.; Izumi, N.; Tommasini, R.
  • Review of Scientific Instruments, Vol. 83, Issue 10
  • DOI: 10.1063/1.4733313

Gated x-ray detector for the National Ignition Facility
journal, October 2006

  • Oertel, John A.; Aragonez, Robert; Archuleta, Tom
  • Review of Scientific Instruments, Vol. 77, Issue 10
  • DOI: 10.1063/1.2227439

2D X-Ray Radiography of Imploding Capsules at the National Ignition Facility
journal, May 2014

Dilation x-ray imager a new/faster gated x-ray imager for the NIF
journal, October 2012

  • Nagel, S. R.; Hilsabeck, T. J.; Bell, P. M.
  • Review of Scientific Instruments, Vol. 83, Issue 10
  • DOI: 10.1063/1.4732849

Investigating high speed phenomena in laser plasma interactions using dilation x-ray imager (invited)
journal, November 2014

  • Nagel, S. R.; Hilsabeck, T. J.; Bell, P. M.
  • Review of Scientific Instruments, Vol. 85, Issue 11
  • DOI: 10.1063/1.4890396

High speed proximity focused X-ray cameras
journal, March 1991

Experimental study of neutron induced background noise on gated x-ray framing cameras
journal, October 2010

  • Izumi, N.; Hagmann, C.; Stone, G.
  • Review of Scientific Instruments, Vol. 81, Issue 10
  • DOI: 10.1063/1.3478636

Improvements to a MCP based high speed x-ray framing camera to have increased robustness in a high neutron environment
conference, September 2014

  • Hargrove, D. R.; Holder, J. P.; Izumi, N.
  • SPIE Optical Engineering + Applications, SPIE Proceedings
  • DOI: 10.1117/12.2065260

Poisson Noise Reduction with Non-local PCA
journal, April 2013

  • Salmon, Joseph; Harmany, Zachary; Deledalle, Charles-Alban
  • Journal of Mathematical Imaging and Vision, Vol. 48, Issue 2
  • DOI: 10.1007/s10851-013-0435-6

Dynamic symmetry of indirectly driven inertial confinement fusion capsules on the National Ignition Facility
journal, May 2014

  • Town, R. P. J.; Bradley, D. K.; Kritcher, A.
  • Physics of Plasmas, Vol. 21, Issue 5
  • DOI: 10.1063/1.4876609

Advances in x-ray framing cameras at the National Ignition Facility to improve quantitative precision in x-ray imaging
journal, February 2016

  • Benedetti, L. R.; Holder, J. P.; Perkins, M.
  • Review of Scientific Instruments, Vol. 87, Issue 2
  • DOI: 10.1063/1.4941754

Pulse-dilation enhanced gated optical imager with 5 ps resolution (invited)
journal, October 2010

  • Hilsabeck, T. J.; Hares, J. D.; Kilkenny, J. D.
  • Review of Scientific Instruments, Vol. 81, Issue 10
  • DOI: 10.1063/1.3479111

Neutron-induced background in charge-coupled device detectors
journal, January 2001

  • Jaanimagi, P. A.; Boni, R.; Keck, R. L.
  • Review of Scientific Instruments, Vol. 72, Issue 1
  • DOI: 10.1063/1.1319871

A hardened gated x-ray imaging diagnostic for inertial confinement fusion experiments at the National Ignition Facility
journal, October 2010

  • Glenn, S.; Koch, J.; Bradley, D. K.
  • Review of Scientific Instruments, Vol. 81, Issue 10
  • DOI: 10.1063/1.3478897

The Physics of Inertial Fusion
book, January 2004

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    Works referencing / citing this record:

    The dilation aided single–line–of–sight x–ray camera for the National Ignition Facility: Characterization and fielding
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    • Nagel, S. R.; Carpenter, A. C.; Park, J.
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    • DOI: 10.1063/1.5038671

    Sub-nanosecond single line-of-sight (SLOS) x-ray imagers (invited)
    journal, October 2018

    • Engelhorn, K.; Hilsabeck, T. J.; Kilkenny, J.
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    • DOI: 10.1063/1.5039648

    Diagnostic signatures of performance degrading perturbations in inertial confinement fusion implosions
    journal, December 2018

    • McGlinchey, K.; Appelbe, B. D.; Crilly, A. J.
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    • DOI: 10.1063/1.5064504

    Calcitonin gene-related peptide (CGRP): A novel target for Alzheimer's disease
    journal, April 2017

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    • CNS Neuroscience & Therapeutics, Vol. 23, Issue 6
    • DOI: 10.1111/cns.12696
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