EPJ Web Conf.
Volume 205, 2019XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|Number of page(s)||3|
|Section||High Harmonic Generation and Attosecond Science|
|Published online||16 April 2019|
HHG probing of atomic dipoles by electronic wave-packet caustics
1 Istituto di Fotonica e Nanotecnologie, CNR, Milan, Italy
2 Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park (CA), USA
3 ITAMP Harvard-Smithsonian Center for Astrophysics, Cambridge (MA), USA
4 Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot, Israel
5 Dipartimento di Fisica, Politecnico di Milano, Milan, Italy
* Corresponding author: firstname.lastname@example.org
Published online: 16 April 2019
We exploit high-order harmonic generation spectroscopy at the caustics of the recombining electron wave-packet as a method for directly comparing experimental spectra with ab-initio theories. Experimental results in xenon and comparison with ab-initio time-dependent configuration-interaction singles calculations allowed to assess the role of the wave-packet enhancement during the giant resonance. Results in argon show that this technique can also be applied to other targets.
© The Authors, published by EDP Sciences, 2019
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