The generation of mono-energetic electron beams from ultrashort pulse laser–plasma interactions

Mangles, Stuart P. D. and Krushelnick, Karl and Najmudin, Zulfikar and Wei, M. S. and Walton, B. and Gopal, Abhijit and Dangor, Aboobaker E. and Fritzler, S. and Murphy, C. D. and Thomas, Alexander George Roy and Mori, Warren B. and Gallacher, J. G. and Jaroszynski, Dino and Norreys, Peter A. and Viskup, R. (2006) The generation of mono-energetic electron beams from ultrashort pulse laser–plasma interactions. Philosophical Transactions of the Royal Society of London A, 364. pp. 663-677. ISSN 0264-3820

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Abstract

The physics of the interaction of high-intensity laser pulses with underdense plasma depends not only on the interaction intensity but also on the laser pulse length. We show experimentally that as intensities are increased beyond 1020 W cm−2 the peak electron acceleration increases beyond that which can be produced from single stage plasma wave acceleration and it is likely that direct laser acceleration mechanisms begin to play an important role. If, alternatively, the pulse length is reduced such that it approaches the plasma period of a relativistic electron plasma wave, high-power interactions at much lower intensity enable the generation of quasi-mono-energetic beams of relativistic electrons.

Item Type: Journal Article
Journal or Publication Title: Philosophical Transactions of the Royal Society of London A
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 85832
Deposited By: ep_importer_pure
Deposited On: 05 Apr 2017 10:00
Refereed?: Yes
Published?: Published
Last Modified: 25 Feb 2020 07:52
URI: https://eprints.lancs.ac.uk/id/eprint/85832

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