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Reentrant cone angle dependence of the energetic electron slope temperature in high-intensity laser-plasma interactions

Abstract:

Energy spectra of fast electrons, generated when high-intensity laser pulses irradiated hollow conical targets, have been measured experimentally. It is shown here that the slope temperature of the fast electrons is strongly dependent on the opening angle of the cone, and has a maximum value at 25°. The data confirms optical guiding of the laser pulse, by comparison of the measured electron temperature with ray-tracing calculations that include absorption in plasmas. The enhanced energy flow ...

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Publisher copy:
10.1063/1.2730490

Authors


Nakatsutsumi, M More by this author
Norreys, PA More by this author
Nakamura, H More by this author
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Journal:
Physics of Plasmas
Volume:
14
Issue:
5
Pages:
050701-050701
Publication date:
2007
DOI:
ISSN:
1070-664X
URN:
uuid:e0b9bcc3-e052-4870-b5e9-57c509bf992d
Source identifiers:
353749
Local pid:
pubs:353749
Language:
English

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