Study of laser-driven magnetic fields with a continuous wave Faraday rotation diagnostic
Abstract
Magnetic fields driven by a laser in coil targets were studied for laser energies of ~25 J and two pulse durations of 2.8 ns and 70 ps. Axial magnetic fields in the coils were measured by continuous wave Faraday rotation diagnostics. The diagnostics indicated magnetic fields of 6–14 T in the coil and currents of 10–20 kA. Magnetic fields were compared for similar laser targets, focusing conditions, and laser energies. A 30-times increase in the intensity of the laser beam by reducing the pulse duration resulted in an increase in the magnetic field and current by a factor of 2. The relaxation time of the magnetic pulse was on the sub-microsecond scale.
- Authors:
-
[2];
[1];
- Univ. of Nevada, Reno, NV (United States)
- Univ. of Rochester, NY (United States). Lab. for Laser Energetics
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Publication Date:
- Research Org.:
- Univ. of Nevada, Reno, NV (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); National Science Foundation (NSF); USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1602872
- Alternate Identifier(s):
- OSTI ID: 1602584
- Grant/Contract Number:
- SC0016500; SC0016258; AC52-07NA27344; NA0003856
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 27; 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 TECHNOLOGY
Citation Formats
Ivanov, V. V., Maximov, A. V., Astanovitskiy, A. L., Begishev, I. A., Betti, R., Davies, J. R., Mileham, C., Moody, J. D., Stoeckl, C., Swanson, K. J., Wong, N. L., and Bromage, J. Study of laser-driven magnetic fields with a continuous wave Faraday rotation diagnostic. United States: N. p., 2020.
Web. doi:10.1063/1.5141753.
Ivanov, V. V., Maximov, A. V., Astanovitskiy, A. L., Begishev, I. A., Betti, R., Davies, J. R., Mileham, C., Moody, J. D., Stoeckl, C., Swanson, K. J., Wong, N. L., & Bromage, J. Study of laser-driven magnetic fields with a continuous wave Faraday rotation diagnostic. United States. https://doi.org/10.1063/1.5141753
Ivanov, V. V., Maximov, A. V., Astanovitskiy, A. L., Begishev, I. A., Betti, R., Davies, J. R., Mileham, C., Moody, J. D., Stoeckl, C., Swanson, K. J., Wong, N. L., and Bromage, J. Tue .
"Study of laser-driven magnetic fields with a continuous wave Faraday rotation diagnostic". United States. https://doi.org/10.1063/1.5141753. https://www.osti.gov/servlets/purl/1602872.
@article{osti_1602872,
title = {Study of laser-driven magnetic fields with a continuous wave Faraday rotation diagnostic},
author = {Ivanov, V. V. and Maximov, A. V. and Astanovitskiy, A. L. and Begishev, I. A. and Betti, R. and Davies, J. R. and Mileham, C. and Moody, J. D. and Stoeckl, C. and Swanson, K. J. and Wong, N. L. and Bromage, J.},
abstractNote = {Magnetic fields driven by a laser in coil targets were studied for laser energies of ~25 J and two pulse durations of 2.8 ns and 70 ps. Axial magnetic fields in the coils were measured by continuous wave Faraday rotation diagnostics. The diagnostics indicated magnetic fields of 6–14 T in the coil and currents of 10–20 kA. Magnetic fields were compared for similar laser targets, focusing conditions, and laser energies. A 30-times increase in the intensity of the laser beam by reducing the pulse duration resulted in an increase in the magnetic field and current by a factor of 2. The relaxation time of the magnetic pulse was on the sub-microsecond scale.},
doi = {10.1063/1.5141753},
journal = {Physics of Plasmas},
number = 3,
volume = 27,
place = {United States},
year = {Tue Mar 03 00:00:00 EST 2020},
month = {Tue Mar 03 00:00:00 EST 2020}
}
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