Radiating electron source generation in ultraintense laser-foil interactions

Capdessus, R. and King, M. and McKenna, P. (2016) Radiating electron source generation in ultraintense laser-foil interactions. Physics of Plasmas, 23 (8). 083117. ISSN 1070-664X (https://doi.org/10.1063/1.4960682)

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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.

  • Item type:Article
    ID code:57152
    Dates:
    Date
    Event
    16 August 2016
    Published
    27 July 2016
    Accepted
    Notes:The following article has been accepted by Physics of Plasmas on 27/07/2016. After it is published, it will be found at http://scitation.aip.org/content/aip/journal/pop.
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:28 Jul 2016 08:16
    Last modified:08 Apr 2024 23:10
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/57152
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