EPJ Web of Conferences (Mar 2013)

Time-resolved spectroscopy of doubly-excited states in helium

  • Ding Thomas,
  • Hagstotz Steffen,
  • Zhang Yizhu,
  • Laux Martin,
  • Meyer Kristina,
  • Raith Philipp,
  • Kaldun Andreas,
  • Ott Christian,
  • Heck Robert,
  • Pfeifer Thomas

DOI
https://doi.org/10.1051/epjconf/20134102023
Journal volume & issue
Vol. 41
p. 02023

Abstract

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A two-electron wave packet among the lowest-lying doubly-excited states in helium is experimentally observed. It creates a 1-femtosecond modulation in the transient-absorption signal modified by a time-delayed coupling laser.