Implementation of a Faraday rotation diagnostic at the OMEGA laser facility
Abstract
Magnetic field measurements in turbulent plasmas are often difficult to perform. Here we show that for$${\geqslant}$$kG magnetic fields, a time-resolved Faraday rotation measurement can be made at the OMEGA laser facility. This diagnostic has been implemented using the Thomson scattering probe beam and the resultant path-integrated magnetic field has been compared with that of proton radiography. As a result, accurate measurement of magnetic fields is essential for satisfying the scientific goals of many current laser–plasma experiments.
- Authors:
-
- Univ. of Oxford, Oxford (United Kingdom)
- Univ. of Rochester, Rochester, NY (United States)
- Univ. of Oxford, Oxford (United Kingdom); Univ. of Nevada, Reno, NV (United States)
- Univ. of Oxford, Oxford (United Kingdom); Univ. of Chicago, Chicago, IL (United States)
- Univ. of Chicago, Chicago, IL (United States)
- Publication Date:
- Research Org.:
- Univ. of Chicago, IL (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC)
- OSTI Identifier:
- 1495715
- Grant/Contract Number:
- NA0002724
- Resource Type:
- Accepted Manuscript
- Journal Name:
- High Power Laser Science and Engineering
- Additional Journal Information:
- Journal Volume: 6; Journal ID: ISSN 2095-4719
- Publisher:
- Cambridge University Press
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; alignment; controls; diagnostics; high energy density physics; high power laser; laser–plasma interaction
Citation Formats
Rigby, Alexandria, Katz, J., Bott, A. F. A., White, T. G., Tzeferacos, P., Lamb, D. Q., Froula, D. H., and Gregori, G. Implementation of a Faraday rotation diagnostic at the OMEGA laser facility. United States: N. p., 2018.
Web. doi:10.1017/hpl.2018.42.
Rigby, Alexandria, Katz, J., Bott, A. F. A., White, T. G., Tzeferacos, P., Lamb, D. Q., Froula, D. H., & Gregori, G. Implementation of a Faraday rotation diagnostic at the OMEGA laser facility. United States. https://doi.org/10.1017/hpl.2018.42
Rigby, Alexandria, Katz, J., Bott, A. F. A., White, T. G., Tzeferacos, P., Lamb, D. Q., Froula, D. H., and Gregori, G. Mon .
"Implementation of a Faraday rotation diagnostic at the OMEGA laser facility". United States. https://doi.org/10.1017/hpl.2018.42. https://www.osti.gov/servlets/purl/1495715.
@article{osti_1495715,
title = {Implementation of a Faraday rotation diagnostic at the OMEGA laser facility},
author = {Rigby, Alexandria and Katz, J. and Bott, A. F. A. and White, T. G. and Tzeferacos, P. and Lamb, D. Q. and Froula, D. H. and Gregori, G.},
abstractNote = {Magnetic field measurements in turbulent plasmas are often difficult to perform. Here we show that for${\geqslant}$kG magnetic fields, a time-resolved Faraday rotation measurement can be made at the OMEGA laser facility. This diagnostic has been implemented using the Thomson scattering probe beam and the resultant path-integrated magnetic field has been compared with that of proton radiography. As a result, accurate measurement of magnetic fields is essential for satisfying the scientific goals of many current laser–plasma experiments.},
doi = {10.1017/hpl.2018.42},
journal = {High Power Laser Science and Engineering},
number = ,
volume = 6,
place = {United States},
year = {Mon Aug 20 00:00:00 EDT 2018},
month = {Mon Aug 20 00:00:00 EDT 2018}
}
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Cited by: 6 works
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Figure 1: Experimental setup. (a) In this experiment, two 6% chlorine-doped plastic foils, separated by 8 mm, were each irradiated with 351 nm, 5 kJ drive lasers in either a 5 or 10 ns pulse. This generated two counter-propagating plasma flows, each of which then passed through a plastic gridmore »
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