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Title: Simultaneous visualization of wall motion, beam propagation, and implosion symmetry on the National Ignition Facility (invited)

Abstract

Achieving a symmetric implosion in National Ignition Facility indirect drive targets requires understanding and control of dynamic changes to the laser power transport in the hohlraum. We developed a new experimental platform to simultaneously visualize wall-plasma motion and dynamic laser power transport in the hohlraum and are using it to investigate correlations of these measurements with the imploded capsule symmetry. In a series of experiments where we made one single parameter variation, we show the value of this new platform in developing an understanding of laser transport and implosion symmetry. This platform also provides a new way to evaluate dynamic performance of advanced hohlraum designs.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1];  [2]; ORCiD logo [1];  [3];  [2];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1] more »;  [1]; ORCiD logo [1];  [1] « less
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. General Atomics, San Diego, CA (United States)
  3. General Atomics, La Jolla, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1545514
Alternate Identifier(s):
OSTI ID: 1476691
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 89; Journal Issue: 10; Conference: 22. Topical Conference on High-Temperature Plasma Diagnostics , San Diego, CA (United States), Apr. 2018; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 47 OTHER INSTRUMENTATION

Citation Formats

Izumi, N., Meezan, N. B., Johnson, S., Woodworth, B. N., Woods, T., Jones, O. S., Landen, O. L., Kroll, J. J., Vonhof, S., Nikroo, A., Jaquez, J., Kangas, K., Bailey, C., Hardy, M., Ehrlich, R., Ralph, J., Town, R. Pj., Bradley, D. K., Hinkel, D. E., Moore, A. S., Divol, L., Young, C., and Moody, J. D. Simultaneous visualization of wall motion, beam propagation, and implosion symmetry on the National Ignition Facility (invited). United States: N. p., 2018. Web. doi:10.1063/1.5039364.
Izumi, N., Meezan, N. B., Johnson, S., Woodworth, B. N., Woods, T., Jones, O. S., Landen, O. L., Kroll, J. J., Vonhof, S., Nikroo, A., Jaquez, J., Kangas, K., Bailey, C., Hardy, M., Ehrlich, R., Ralph, J., Town, R. Pj., Bradley, D. K., Hinkel, D. E., Moore, A. S., Divol, L., Young, C., & Moody, J. D. Simultaneous visualization of wall motion, beam propagation, and implosion symmetry on the National Ignition Facility (invited). United States. doi:https://doi.org/10.1063/1.5039364
Izumi, N., Meezan, N. B., Johnson, S., Woodworth, B. N., Woods, T., Jones, O. S., Landen, O. L., Kroll, J. J., Vonhof, S., Nikroo, A., Jaquez, J., Kangas, K., Bailey, C., Hardy, M., Ehrlich, R., Ralph, J., Town, R. Pj., Bradley, D. K., Hinkel, D. E., Moore, A. S., Divol, L., Young, C., and Moody, J. D. Mon . "Simultaneous visualization of wall motion, beam propagation, and implosion symmetry on the National Ignition Facility (invited)". United States. doi:https://doi.org/10.1063/1.5039364. https://www.osti.gov/servlets/purl/1545514.
@article{osti_1545514,
title = {Simultaneous visualization of wall motion, beam propagation, and implosion symmetry on the National Ignition Facility (invited)},
author = {Izumi, N. and Meezan, N. B. and Johnson, S. and Woodworth, B. N. and Woods, T. and Jones, O. S. and Landen, O. L. and Kroll, J. J. and Vonhof, S. and Nikroo, A. and Jaquez, J. and Kangas, K. and Bailey, C. and Hardy, M. and Ehrlich, R. and Ralph, J. and Town, R. Pj. and Bradley, D. K. and Hinkel, D. E. and Moore, A. S. and Divol, L. and Young, C. and Moody, J. D.},
abstractNote = {Achieving a symmetric implosion in National Ignition Facility indirect drive targets requires understanding and control of dynamic changes to the laser power transport in the hohlraum. We developed a new experimental platform to simultaneously visualize wall-plasma motion and dynamic laser power transport in the hohlraum and are using it to investigate correlations of these measurements with the imploded capsule symmetry. In a series of experiments where we made one single parameter variation, we show the value of this new platform in developing an understanding of laser transport and implosion symmetry. This platform also provides a new way to evaluate dynamic performance of advanced hohlraum designs.},
doi = {10.1063/1.5039364},
journal = {Review of Scientific Instruments},
number = 10,
volume = 89,
place = {United States},
year = {2018},
month = {10}
}

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Works referenced in this record:

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journal, May 2018

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    Approaching a burning plasma on the NIF
    journal, May 2019

    • Hurricane, O. A.; Springer, P. T.; Patel, P. K.
    • Physics of Plasmas, Vol. 26, Issue 5
    • DOI: 10.1063/1.5087256

    Understanding ICF hohlraums using NIF gated laser-entrance-hole images
    journal, February 2020

    • Chen, Hui; Woods, D. T.; Jones, O. S.
    • Physics of Plasmas, Vol. 27, Issue 2
    • DOI: 10.1063/1.5128501

    Beyond alpha-heating: driving inertially confined fusion implosions toward a burning-plasma state on the National Ignition Facility
    journal, November 2018

    • Hurricane, O. A.; Callahan, D. A.; Springer, P. T.
    • Plasma Physics and Controlled Fusion, Vol. 61, Issue 1
    • DOI: 10.1088/1361-6587/aaed71

    Progress of indirect drive inertial confinement fusion in the United States
    journal, July 2019