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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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Journal:
Plasma Physics and Controlled Fusion
Volume:
51
Issue:
2
Pages:
024010-024010
Publication date:
2009-01-01
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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