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Ultrashort pulse filamentation and monoenergetic electron beam production in LWFAs

Abstract:

In the experiments reported here, the filamentation of ultrashort laser pulses, due to non-optimal choice of focusing geometry and/or electron number density, has a severely deleterious effect on monoenergetic electron beam production in laser wakefield accelerators. Interactions with relatively small focal spots, w0 < λp/2, and with pulse length cτ ≈ λp, incur fragmentation into a large number of low power filaments. These filaments are modulated with a density dependent size of, on avera...

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Authors


Thomas, AGR More by this author
Mangles, SPD More by this author
Murphy, CD More by this author
Dangor, AE More by this author
Foster, PS More by this author
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Journal:
Plasma Physics and Controlled Fusion
Volume:
51
Issue:
2
Pages:
024010-024010
Publication date:
2009
DOI:
EISSN:
1361-6587
ISSN:
0741-3335
URN:
uuid:afa9e920-5317-4367-b5d2-b8f8aebeec91
Source identifiers:
353718
Local pid:
pubs:353718
Language:
English

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