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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/32632701
Record Status
Checked
Record Id
32632701
Title
Radiating electron source generation in ultraintense laser-foil interactions
Contributors
R Capdessus (University of Strathclyde)
,
M King (University of Strathclyde)
,
P McKenna (University of Strathclyde)
Abstract
A radiating electron source is shown to be created by a laser pulse (with intensity of 10^23 W/cm^2 and duration equal to 30 fs) interacting with a near-critical density plasma. It is shown that the back radiation reaction resulting from high energy synchrotron radiation tends to counteract the action of the ponderomotive force. This enhances the collective dynamics of the radiating electrons in the highest field areas, resulting in the production of a compact radiation source (containing 80% of the synchrotron radiation emission), with an energy on the order of tens of MeV over the laser pulse duration. These phenomena are investigated using a QED-particle-in-cell code, and compared with a kinetic model accounting for the radiation reaction force in the electron distribution function. The results shed new light on electron-photon sources at ultra-high laser intensities and could be tested on future laser facilities.
Organisation
CI
Keywords
Funding Information
EPSRC
(EP/J003832/1);
EPSRC
(EP/L000237/1);
EPSRC
(EP/M018091/1)
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Phys Plasmas
23, no. 8 (2016): 083117.
doi:10.1063/1.4960682
2016
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