Time-resolved spectroscopy of doubly-excited states in helium

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

doi:10.1051/epjconf/20134102023

EPJ

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Proceedings

Open Access

EPJ Web of Conferences 41, 02023 (2013)
https://doi.org/10.1051/epjconf/20134102023

Time-resolved spectroscopy of doubly-excited states in helium

Christian Ott¹^,2, Andreas Kaldun¹^,2, Philipp Raith¹^,2, Kristina Meyer¹^,2, Martin Laux¹^,2, Yizhu Zhang¹^,2, Steffen Hagstotz¹^,2, Thomas Ding¹^,2, Robert Heck¹^,2 and Thomas Pfeifer¹^,2

¹ Max-Planck Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany
² Center for Quantum Dynamics, Ruprecht-Karls-Universität Heidelberg, 69120 Heidelberg, Germany

Abstract

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.

© Owned by the authors, published by EDP Sciences, 2013

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