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Proceedings Paper

Generation of attosecond electron pulses using petawatt lasers
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Paper Abstract

Ionization of positive ions by relativistically-intense short laser pulses is analyzed in the framework of relativistic strong-field theory. We observe the appearance of broad interference-free patterns in the high-energy portion of the photoelectron spectra, which extend over hundreds of driving photon energies. These structures can be controlled by changing parameters of the driving laser field. As we also demonstrate, the electrons comprising these broad structures can form pulses of attosecond duration. While we present the fully numerical results for laser field intensities below 1020W=cm2, we also introduce the saddle point approximation to treat photoionization at larger intensities. In addition, the conditions enabling generation of ultrashort electron pulses are studied.

Paper Details

Date Published: 17 May 2017
PDF: 11 pages
Proc. SPIE 10241, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers III, 102411J (17 May 2017); doi: 10.1117/12.2271138
Show Author Affiliations
Katarzyna Krajewska, Univ. of Warsaw (Poland)
Felipe Cajiao Vélez, Univ. of Warsaw (Poland)
Jerzy Z. Kamiński, Univ. of Warsaw (Poland)

Published in SPIE Proceedings Vol. 10241:
Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers III
Georg Korn; Luis O. Silva, Editor(s)

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