Title
Modeling ultrashort laser-induced emission from a negatively biased metal Modeling ultrashort laser-induced emission from a negatively biased metal
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
New York, N.Y. :American Institute of Physics ,
Subject
Physics
Chemistry
Source (journal)
Applied physics letters / American Institute of Physics. - New York, N.Y., 1962, currens
Volume/pages
103(2013) :22 , p. 1-4
ISSN
0003-6951
1077-3118
Article Reference
221603
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A theoretical study of ultrashort laser-induced electron emission from a negatively biased metallic cathode has been performed. Classical as well as tunneling electron emission mechanisms are considered. It was found that electron emission is governed by an interplay of processes inside as well as above the cathode. A hybrid model is proposed, where the electron distribution within the target is retrieved from Boltzmann scattering integrals, while the charge distribution above it is studied by a Particle-In-Cell simulation. The results indicate that non-equilibrium effects determine the initial emission process, whereas the space charge above the target suppresses the effectively emitted charge.
E-info
https://repository.uantwerpen.be/docman/iruaauth/8f03fe/31f54143c36.pdf
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