On the effects of longitudinal electric and magnetic fields in the dynamics of relativistic photoelectrons ejected from the focus of multi-terrawatt lasers

Alain Lapierre, Alexander Malstev, Todd Ditmire, Donald Umstadter

Research output: Contribution to journalConference articlepeer-review

Abstract

The features of a research program which was developed to investigate the effects of longitudinal electric and magnetic fields on photoelectrons accelerated by relativistic laser fields at the focus of multi-Terrwatt lasers are discussed. It was observed that the transversal-field-based equation underestimates experimental polar angles. The pondormotive force concept breaks down, and the role played by these fields in the motion of the relativistic photoelectrons was attenuated due to a Doppler shift of the laser wave in the electron reference frame. The relative effect of considering longitudinal field components in calculations is to slow relativistic electrons down.

Original languageEnglish (US)
Pages (from-to)1053-1054
Number of pages2
JournalOSA Trends in Optics and Photonics Series
Volume88
StatePublished - 2003
EventConference on Lasers and Electro-Optics (CLEO); Postconference Digest - Baltimore, MD, United States
Duration: Jun 1 2003Jun 6 2003

ASJC Scopus subject areas

  • General Engineering

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