High Power Laser Science and Engineering, 2018, 6 (3): 03000e49, Published Online: Aug. 22, 2018  

Implementation of a Faraday rotation diagnostic at the OMEGA laser facility Download: 513次

Author Affiliations
1 Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, UK
2 Laboratory for Laser Energetics, University of Rochester, 250 E. River Rd, Rochester, NY 14623, USA
3 Department of Physics, University of Nevada, Reno, NV89557, USA
4 Department of Astronomy and Astrophysics, University of Chicago, 5640 S. Ellis Ave, Chicago, IL 60637, USA
Abstract
Magnetic field measurements in turbulent plasmas are often difficult to perform. Here we show that for 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. Accurate measurement of magnetic fields is essential for satisfying the scientific goals of many current laser–plasma experiments.

A. Rigby, J. Katz, A. F. A. Bott, T. G. White, P. Tzeferacos, D. Q. Lamb, D. H. Froula, G. Gregori. Implementation of a Faraday rotation diagnostic at the OMEGA laser facility[J]. High Power Laser Science and Engineering, 2018, 6(3): 03000e49.

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