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The generation of mono-energetic electron beams from ultrashort pulse laser–plasma interactions
S.P.D Mangles
1
K. Krushelnick
1
Z. Najmudin
1
M.S. Wei
1
B. Walton
1
A. Gopal
1
A.E. Dangor
1
S. Fritzler
2
C.D. Murphy
1, 3
A.G.R. Thomas
1
W.B. Mori
4
J. Gallacher
5
D. Jaroszynski
5
P. A. Norreys
3
R. Viskup
5
1
Blackett Laboratory (Prince Consort Road, South Kensington, London SW7 2AZ - United Kingdom)
- Imperial College London (South Kensington Campus, London SW7 2AZ - United Kingdom)
2
LOA - Laboratoire d'optique appliquée (828, boulevard des Maréchaux 91762 Palaiseau Cedex - France)
- ENSTA Paris - École Nationale Supérieure de Techniques Avancées (828, boulevard des Maréchaux 91762 Palaiseau Cedex - France)
- X - École polytechnique (École polytechnique, 91128 Palaiseau Cedex - France)
- CNRS - Centre National de la Recherche Scientifique : UMR7639 (France)
3
CLF - Central Laser Facility (Chilton, Didcot, Oxon OX11 0QX - United Kingdom)
- RAL - STFC Rutherford Appleton Laboratory (Harwell Campus, Didcot OX11 0FA - United Kingdom)
- STFC - Science and Technology Facilities Council (Polaris House, North Star Avenue, Swindon SN2 1SZ - United Kingdom)
4
Department of Physics, University of California (PO Box 951310, 10244 Bunche Hall, Los Angeles, CA 90095-1310 - United States)
- UCLA - University of California [Los Angeles] ( Los Angeles, Californie 90095 - United States)
- University of California (United States)
5
Department of Physics, University of Strathclyde Glasgow (G4 0NG - United Kingdom)
- University of Glasgow (Glasgow G12 8QQ Scotland - United Kingdom)
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 10^20 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.
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https://hal-polytechnique.archives-ouvertes.fr/hal-00502293
Contributor : Thuy Le <>
Submitted on : Tuesday, July 13, 2010 - 4:44:25 PM
Last modification on : Monday, September 21, 2020 - 11:34:08 AM
Contributor : Thuy Le <>
Submitted on : Tuesday, July 13, 2010 - 4:44:25 PM
Last modification on : Monday, September 21, 2020 - 11:34:08 AM
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- HAL Id : hal-00502293, version 1
- DOI : 10.1098/rsta.2005.1730
Citation
S.P.D Mangles, K. Krushelnick, Z. Najmudin, M.S. Wei, B. Walton, et al.. The generation of mono-energetic electron beams from ultrashort pulse laser–plasma interactions. Philosophical Transactions. Series A, Mathematical, Physical and Engineering Sciences, 2006, 364 (1840), pp.663-677. ⟨10.1098/rsta.2005.1730⟩. ⟨hal-00502293⟩
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