Observation of mono-energetic structures in the spectrum of laser wakefield accelerated electrons

In recent times, the development of high power lasers has advanced such that focused intensities of up to 1020 Wcm-2 at high repetition rates are achievable using laser systems on a scale which is suitable for a university scale laboratory. It is from such advances in laser engineering that many new...

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Bibliographic Details
Published in:AIP conference proceedings 2004-01, Vol.737 (1), p.853-857
Main Authors: Murphy, C D, Mangles, S P D, Najmudin, Z, Thomas, A G R, Collier, J L, Dangor, A E, Divall, E J, Foster, P S, Gallacher, J G, Hooker, C J, Jaroszynski, D A, Langley, A J, Mori, W B, Norreys, P A, Viskup, R, Walton, B R, Krushelnick, K
Format: Article
Language:English
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRON BEAMS
ELECTRON SPECTRA
ELECTRONS
LASERS
PARTICLE ACCELERATORS
PLASMA
PLASMA GUNS
RELATIVISTIC RANGE
WAKEFIELD ACCELERATORS
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Summary:In recent times, the development of high power lasers has advanced such that focused intensities of up to 1020 Wcm-2 at high repetition rates are achievable using laser systems on a scale which is suitable for a university scale laboratory. It is from such advances in laser engineering that many new phenomena have been observed by many groups throughout the world. An effect of specific applicable interest is in the field of compact laser-plasma accelerators. Here we present evidence that under particular plasma conditions, it is possible to generate beams of relativistic electrons which have low divergence and a small energy spread (less than 3%). Previous results have shown laser-plasma produced electrons to be Maxwellian in energy spread.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.1842633