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Title: High-energy (> 70 KeV) x-ray conversion efficiency measurement on the ARC laser at the National Ignition Facility

Abstract

Here, the Advanced Radiographic Capability (ARC) laser system at the National Ignition Facility (NIF) is designed to ultimately provide eight beamlets with a pulse duration adjustable from 1 to 30 ps, and energies up to 1.5 kJ per beamlet. Currently, four beamlets have been commissioned. In the first set of 6 commissioning target experiments, the individual beamlets were fired onto gold foil targets with energy up to 1 kJ per beamlet at 20–30 ps pulse length. The x-ray energy distribution and pulse duration were measured, yielding energy conversion efficiencies of 4–9 × 10–4 for x-rays with energies greater than 70 keV. With greater than 3 J of such x-rays, ARC provides a high-precision x-ray backlighting capability for upcoming inertial confinement fusion and high-energy-density physics experiments on NIF.

Authors:
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  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1347667
Alternate Identifier(s):
OSTI ID: 1349380
Report Number(s):
LLNL-JRNL-706562
Journal ID: ISSN 1070-664X; TRN: US1700603
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 24; Journal Issue: 3; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION; 42 ENGINEERING

Citation Formats

Chen, Hui, Hermann, M. R., Kalantar, D. H., Martinez, D. A., Di Nicola, P., Tommasini, R., Alessi, D., Bowers, M., Browning, D., Brunton, G., Budge, T., Crane, J., Di Nicola, J. -M., Doppner, T., Dixit, S., Erbert, G., Fishler, B., Halpin, J., Hamamoto, M., Heebner, J., Hernandez, V. J., Hohenberger, M., Homoelle, D., Honig, J., Hsing, W., Izumi, N., Khan, S., LaFortune, K., Lawson, J., Nagel, S. R., Negres, R. A., Novikova, L., Orth, C., Pelz, L., Prantil, M., Rushford, M., Shaw, M., Sigurdsson, R., Wegner, P., Widmayer, C., Williams, G. J., Williams, W., Whitman, P., Yang, S., Landen, O. L., and Sherlock, M. High-energy (> 70 KeV) x-ray conversion efficiency measurement on the ARC laser at the National Ignition Facility. United States: N. p., 2017. Web. https://doi.org/10.1063/1.4978493.
Chen, Hui, Hermann, M. R., Kalantar, D. H., Martinez, D. A., Di Nicola, P., Tommasini, R., Alessi, D., Bowers, M., Browning, D., Brunton, G., Budge, T., Crane, J., Di Nicola, J. -M., Doppner, T., Dixit, S., Erbert, G., Fishler, B., Halpin, J., Hamamoto, M., Heebner, J., Hernandez, V. J., Hohenberger, M., Homoelle, D., Honig, J., Hsing, W., Izumi, N., Khan, S., LaFortune, K., Lawson, J., Nagel, S. R., Negres, R. A., Novikova, L., Orth, C., Pelz, L., Prantil, M., Rushford, M., Shaw, M., Sigurdsson, R., Wegner, P., Widmayer, C., Williams, G. J., Williams, W., Whitman, P., Yang, S., Landen, O. L., & Sherlock, M. High-energy (> 70 KeV) x-ray conversion efficiency measurement on the ARC laser at the National Ignition Facility. United States. https://doi.org/10.1063/1.4978493
Chen, Hui, Hermann, M. R., Kalantar, D. H., Martinez, D. A., Di Nicola, P., Tommasini, R., Alessi, D., Bowers, M., Browning, D., Brunton, G., Budge, T., Crane, J., Di Nicola, J. -M., Doppner, T., Dixit, S., Erbert, G., Fishler, B., Halpin, J., Hamamoto, M., Heebner, J., Hernandez, V. J., Hohenberger, M., Homoelle, D., Honig, J., Hsing, W., Izumi, N., Khan, S., LaFortune, K., Lawson, J., Nagel, S. R., Negres, R. A., Novikova, L., Orth, C., Pelz, L., Prantil, M., Rushford, M., Shaw, M., Sigurdsson, R., Wegner, P., Widmayer, C., Williams, G. J., Williams, W., Whitman, P., Yang, S., Landen, O. L., and Sherlock, M. Thu . "High-energy (> 70 KeV) x-ray conversion efficiency measurement on the ARC laser at the National Ignition Facility". United States. https://doi.org/10.1063/1.4978493. https://www.osti.gov/servlets/purl/1347667.
@article{osti_1347667,
title = {High-energy (> 70 KeV) x-ray conversion efficiency measurement on the ARC laser at the National Ignition Facility},
author = {Chen, Hui and Hermann, M. R. and Kalantar, D. H. and Martinez, D. A. and Di Nicola, P. and Tommasini, R. and Alessi, D. and Bowers, M. and Browning, D. and Brunton, G. and Budge, T. and Crane, J. and Di Nicola, J. -M. and Doppner, T. and Dixit, S. and Erbert, G. and Fishler, B. and Halpin, J. and Hamamoto, M. and Heebner, J. and Hernandez, V. J. and Hohenberger, M. and Homoelle, D. and Honig, J. and Hsing, W. and Izumi, N. and Khan, S. and LaFortune, K. and Lawson, J. and Nagel, S. R. and Negres, R. A. and Novikova, L. and Orth, C. and Pelz, L. and Prantil, M. and Rushford, M. and Shaw, M. and Sigurdsson, R. and Wegner, P. and Widmayer, C. and Williams, G. J. and Williams, W. and Whitman, P. and Yang, S. and Landen, O. L. and Sherlock, M.},
abstractNote = {Here, the Advanced Radiographic Capability (ARC) laser system at the National Ignition Facility (NIF) is designed to ultimately provide eight beamlets with a pulse duration adjustable from 1 to 30 ps, and energies up to 1.5 kJ per beamlet. Currently, four beamlets have been commissioned. In the first set of 6 commissioning target experiments, the individual beamlets were fired onto gold foil targets with energy up to 1 kJ per beamlet at 20–30 ps pulse length. The x-ray energy distribution and pulse duration were measured, yielding energy conversion efficiencies of 4–9 × 10–4 for x-rays with energies greater than 70 keV. With greater than 3 J of such x-rays, ARC provides a high-precision x-ray backlighting capability for upcoming inertial confinement fusion and high-energy-density physics experiments on NIF.},
doi = {10.1063/1.4978493},
journal = {Physics of Plasmas},
number = 3,
volume = 24,
place = {United States},
year = {2017},
month = {3}
}

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