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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 1 — Jan. 14, 2013
  • pp: 21–29

Direct optical measurements of the evolving spatio-temporal charge density in ultrashort electron pulses

Vance R. Morrison, Robert P. Chatelain, Chris Godbout, and Bradley J. Siwick  »View Author Affiliations

Optics Express, Vol. 21, Issue 1, pp. 21-29 (2013)

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The temporal evolution of the charge density distribution in femtosecond laser produced electron pulses was studied using electron-laser pulse cross correlation techniques and compared to analytical predictions and simulations. The influence of propagation time and weak magnetic focusing were both investigated. Our results show that ultrashort electron pulses develop a relatively uniform internal charge density as they propagate, which is in good agreement with analytical predictions, and that weakly focusing an ultrashort electron pulse results in an increased internal charge density towards the leading edge of the pulse.

© 2013 OSA

OCIS Codes
(320.7100) Ultrafast optics : Ultrafast measurements
(260.7120) Physical optics : Ultrafast phenomena

ToC Category:
Ultrafast Optics

Original Manuscript: September 4, 2012
Revised Manuscript: November 15, 2012
Manuscript Accepted: November 26, 2012
Published: January 2, 2013

Vance R. Morrison, Robert P. Chatelain, Chris Godbout, and Bradley J. Siwick, "Direct optical measurements of the evolving spatio-temporal charge density in ultrashort electron pulses," Opt. Express 21, 21-29 (2013)

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