Precision X-ray spectroscopy of intense laser-plasma interactions

Abstract

Polarisation sensitive emission spectroscopy measurements are reported for a petawatt laser-solid target interaction at intensities up to 5 x 10(20) Wcm(-2). These measurements were single-shot and used pairs of highly-orientated graphite spectrometers to resolve the sulphur Ly-alpha doublet. The sulphur Ly-alpha(1) component shows a large positive polarisation indicative of a low energy electron beam in the plasma, the Ly-alpha(2) component acts as a cross-spectrometer calibration. The measurements show a significant anisotropic or beam-like component to a cold return current. (C) 2011 Elsevier B.V. All rights reserved.

Metadata

Authors/Creators:	Woolsey, N. C. https://orcid.org/0000-0002-2444-9027 Clarke, R. J. Doria, D. Gizzi, L. A. Gregori, G. Hakel, P. Hansen, S. B. Koester, P. Labate, L. Levato, T. Li, B. Makita, M. Mancini, R. C. Pasley, J. https://orcid.org/0000-0001-5832-8285 Rajeev, P. P. Robinson, A. P. L. Wagenaars, E. https://orcid.org/0000-0002-5493-3434 Waugh, J. N. Booth, N.
Dates:	Published: June 2011
Institution:	The University of York
Academic Units:	The University of York > Faculty of Sciences (York) > Physics (York) The University of York > Faculty of Sciences (York) > Electronic Engineering (York)
Depositing User:	Pure (York)
Date Deposited:	07 Jun 2012 17:10
Last Modified:	06 Dec 2023 10:53
Published Version:	https://doi.org/10.1016/j.hedp.2011.03.001
Status:	Published
Refereed:	Yes
Identification Number:	https://doi.org/10.1016/j.hedp.2011.03.001
Related URLs:	http://www.scopus.com/inward/record.url?...

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Precision X-ray spectroscopy of intense laser-plasma interactions

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