IR-assisted ionization of He by attosecond XUV radiation

  • P. Ranitovic
  • , X. M. Tong
  • , B. Gramkow
  • , S. De
  • , B. Depaola
  • , K. P. Singh
  • , W. Cao
  • , M. Magrakvelidze
  • , D. Ray
  • , I. Bocharova
  • , H. Mashiko
  • , E. Gagnon
  • , A. Sandhu
  • , M. M. Murnane
  • , H. C. Kapteyn
  • , I. Litvinyuk
  • , C. L. Cocke

Research output: Contribution to journalConference articlepeer-review

Abstract

In this work we characterize the underlying processes behind the IR-assisted ionization of helium by extreme ultra violet (XUV) attosecond radiation. We show that, if used in the form of an attosecond pulse train, the XUV radiation can have a good spectral resolution as well as good temporal resolution. Our experimental data and associated theoretical calculations show how to use the properties of attosecond XUV radiation to induce a desired excited state of helium, and how to tune the IR laser electric field to control the ionization pathways.

Original languageEnglish (US)
Article number032036
JournalJournal of Physics: Conference Series
Volume194
Issue number3
DOIs
StatePublished - Dec 24 2009
Externally publishedYes
Event26th International Conference on Photonic, Electronic and Atomic Collisions - Kalamazoo, United States
Duration: Jul 22 2009Jul 28 2009

ASJC Scopus subject areas

  • General Physics and Astronomy

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