High-resolution experiments on strong-field ionization of atoms and molecules [electronic resource] : test of tunneling theory, the role of doubly excited states, and channel-selective electron spectra / Lutz Fechner.
Fechner, Lutz, author.
2016
QC702
Available Online

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Title High-resolution experiments on strong-field ionization of atoms and molecules [electronic resource] : test of tunneling theory, the role of doubly excited states, and channel-selective electron spectra / Lutz Fechner.
Author Fechner, Lutz, author.
ISBN 9783319320465 (electronic book)
3319320467 (electronic book)
9783319320458
DOI https://doi.org/10.1007/978-3-319-32046-5
Published Switzerland : Springer, 2016.
Language English
Description 1 online resource (xiv, 151 pages) : illustrations.
Item Number 10.1007/978-3-319-32046-5 doi
Call Number QC702
Dewey Decimal Classification 530.4/44
Summary In this thesis, the ionization of atoms and small molecules in strong laser fields is experimentally studied using a reaction microscope. The population of autoionizing doubly excited states in the laser fields is proven and a possible connection to the well-known dielectronic recombination processes is discussed. The fundamental process of tunnel ionization in strong laser fields is subject of investigation in a pump-probe experiment with ultrashort laser pulses. A coherent superposition of electronic states in singly charged argon ions is created within the first, and subsequently tunnel-ionized with the second pulse. This gives access to state-selective information about the tunneling process and allows to test common models. Moreover, the ionization of krypton and argon at different wavelengths is studied, from the multiphoton to the tunneling regime. The wavelength-dependent investigations are furthermore extended to molecular hydrogen. In addition to ionization, this system might undergo different dissociative processes. Channel-selective electron momentum distributions are presented and compared to each other.
Note "Doctoral thesis accepted by the Ruperto Carola University of Heidelberg, Germany."
Bibliography, etc. Note Includes bibliographical references.
Access Note Access limited to authorized users.
Source of Description Online resource; title from PDF title page (SpringerLink, viewed May 5, 2016).
Series Springer theses.
Available in Other Form Print version: 9783319320458
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Introduction
Strong Laser Fields and Ultrashort Laser Pulses
Ionization in Strong, Ultrashort Laser Pulses
The Reaction Microscope
Tunnel Ionization from a Coherent Superposition in Ar+
Population of Doubly Excited States in Strong Laser Pulses
Channel-selective Electron Spectra for H2 at Different Wavelengths
Conclusion and Outlook.

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