Transport and spatial energy deposition of relativistic electrons in copper-doped fast ignition plasmas
Abstract
Fast electron transport and spatial energy deposition are investigated in integrated cone-guided Fast Ignition experiments by measuring fast electron induced copper K-shell emission using a copper tracer added to deuterated plastic shells with a geometrically reentrant gold cone. Experiments were carried out at the Laboratory for Laser Energetics on the OMEGA/OMEGA-EP Laser where the plastic shells were imploded using 54 of the 60 OMEGA60 beams (3ω, 20 kJ), while the high intensity OMEGA-EP (BL2) beam (1 ω, 10 ps, 500 J, Ipeak > 1019 W/cm2) was focused onto the inner cone tip. Here, a retrograde analysis using the hybrid-PIC electron transport code, ZUMA, is performed to examine the sensitivity of the copper Kα spatial profile on the laser-produced fast electrons, facilitating the optimization of new target point designs and laser configurations to improve the compressed core areal density by a factor of 4 and the fast electron energy coupling by a factor of 3.5.
- Authors:
-
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- Univ. of California San Diego, La Jolla, CA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Univ. of California San Diego, La Jolla, CA (United States)
- Univ. of Rochester, Rochester, NY (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- General Atomics, San Diego, CA (United States)
- Osaka Univ., Osaka (Japan)
- Univ. of Bordeaux, Talence (France)
- Univ. of Nevada, Reno, NV (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1411681
- Alternate Identifier(s):
- OSTI ID: 1402528
- Report Number(s):
- LLNL-JRNL-736430
Journal ID: ISSN 1070-664X
- Grant/Contract Number:
- AC52-07NA27344; FC02-04ER54789; FG02-05ER54834; NA0000854
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 24; Journal Issue: 10; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 70 PLASMA PHYSICS AND FUSION
Citation Formats
Jarrott, L. C., McGuffey, C., Beg, F. N., Solodov, A. A., Theobald, W., Qiao, B., Stoeckl, C., Betti, R., Chen, H., Delettrez, J., Doppner, T., Giraldez, E. M., Glebov, V. Y., Habara, H., Iwawaki, T., Key, M. H., Luo, R. W., Marshall, F. J., McLean, H. S., Mileham, C., Patel, P. K., Santos, J. J., Sawada, H., Stephens, R. B., Yabuuchi, T., and Wei, M. S. Transport and spatial energy deposition of relativistic electrons in copper-doped fast ignition plasmas. United States: N. p., 2017.
Web. doi:10.1063/1.4999108.
Jarrott, L. C., McGuffey, C., Beg, F. N., Solodov, A. A., Theobald, W., Qiao, B., Stoeckl, C., Betti, R., Chen, H., Delettrez, J., Doppner, T., Giraldez, E. M., Glebov, V. Y., Habara, H., Iwawaki, T., Key, M. H., Luo, R. W., Marshall, F. J., McLean, H. S., Mileham, C., Patel, P. K., Santos, J. J., Sawada, H., Stephens, R. B., Yabuuchi, T., & Wei, M. S. Transport and spatial energy deposition of relativistic electrons in copper-doped fast ignition plasmas. United States. https://doi.org/10.1063/1.4999108
Jarrott, L. C., McGuffey, C., Beg, F. N., Solodov, A. A., Theobald, W., Qiao, B., Stoeckl, C., Betti, R., Chen, H., Delettrez, J., Doppner, T., Giraldez, E. M., Glebov, V. Y., Habara, H., Iwawaki, T., Key, M. H., Luo, R. W., Marshall, F. J., McLean, H. S., Mileham, C., Patel, P. K., Santos, J. J., Sawada, H., Stephens, R. B., Yabuuchi, T., and Wei, M. S. 2017.
"Transport and spatial energy deposition of relativistic electrons in copper-doped fast ignition plasmas". United States. https://doi.org/10.1063/1.4999108. https://www.osti.gov/servlets/purl/1411681.
@article{osti_1411681,
title = {Transport and spatial energy deposition of relativistic electrons in copper-doped fast ignition plasmas},
author = {Jarrott, L. C. and McGuffey, C. and Beg, F. N. and Solodov, A. A. and Theobald, W. and Qiao, B. and Stoeckl, C. and Betti, R. and Chen, H. and Delettrez, J. and Doppner, T. and Giraldez, E. M. and Glebov, V. Y. and Habara, H. and Iwawaki, T. and Key, M. H. and Luo, R. W. and Marshall, F. J. and McLean, H. S. and Mileham, C. and Patel, P. K. and Santos, J. J. and Sawada, H. and Stephens, R. B. and Yabuuchi, T. and Wei, M. S.},
abstractNote = {Fast electron transport and spatial energy deposition are investigated in integrated cone-guided Fast Ignition experiments by measuring fast electron induced copper K-shell emission using a copper tracer added to deuterated plastic shells with a geometrically reentrant gold cone. Experiments were carried out at the Laboratory for Laser Energetics on the OMEGA/OMEGA-EP Laser where the plastic shells were imploded using 54 of the 60 OMEGA60 beams (3ω, 20 kJ), while the high intensity OMEGA-EP (BL2) beam (1 ω, 10 ps, 500 J, Ipeak > 1019 W/cm2) was focused onto the inner cone tip. Here, a retrograde analysis using the hybrid-PIC electron transport code, ZUMA, is performed to examine the sensitivity of the copper Kα spatial profile on the laser-produced fast electrons, facilitating the optimization of new target point designs and laser configurations to improve the compressed core areal density by a factor of 4 and the fast electron energy coupling by a factor of 3.5.},
doi = {10.1063/1.4999108},
url = {https://www.osti.gov/biblio/1411681},
journal = {Physics of Plasmas},
issn = {1070-664X},
number = 10,
volume = 24,
place = {United States},
year = {Tue Oct 24 00:00:00 EDT 2017},
month = {Tue Oct 24 00:00:00 EDT 2017}
}
Web of Science
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