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High-Resolution Experiments on Strong-Field Ionization of Atoms and Molecules

Test of Tunneling Theory, the Role of Doubly Excited States, and Channel-Selective Electron Spectra

  • Book
  • © 2016

Overview

Authors:
  1. Lutz Fechner

    1. Dept of Quantum Dynamics and Control, Max Planck Institute for Nuclear Physics, Heidelberg, Germany

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  • Nominated as an outstanding Ph.D. thesis by the Max Planck Institute for Nuclear Physics, Germany
  • Novel and revealing experiments on ionization in strong laser fields
  • Allows tests of current understanding and models of tunneling processes
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (8 chapters)

  1. Front Matter

    Pages i-xiv
    Download chapter PDF

  2. Introduction

    • Lutz Fechner
    Pages 1-4

  3. Strong Laser Fields and Ultrashort Laser Pulses

    • Lutz Fechner
    Pages 5-27

  4. Ionization in Strong, Ultrashort Laser Pulses

    • Lutz Fechner
    Pages 29-51

  5. The Reaction Microscope

    • Lutz Fechner
    Pages 53-75

  6. Tunnel Ionization from a Coherent Superposition in \(\text {Ar}^+\)

    • Lutz Fechner
    Pages 77-95

  7. Population of Doubly Excited States in Strong Laser Pulses

    • Lutz Fechner
    Pages 97-122

  8. Channel-Selective Electron Spectra for \(\mathrm{H}_2\) at Different Wavelengths

    • Lutz Fechner
    Pages 123-137

  9. Conclusion and Outlook

    • Lutz Fechner
    Pages 139-143

  10. Back Matter

    Pages 145-151
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Keywords

About this book

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.

Authors and Affiliations

  • Dept of Quantum Dynamics and Control, Max Planck Institute for Nuclear Physics, Heidelberg, Germany

    Lutz Fechner

About the author



Bibliographic Information

  • Book Title: High-Resolution Experiments on Strong-Field Ionization of Atoms and Molecules

  • Book Subtitle: Test of Tunneling Theory, the Role of Doubly Excited States, and Channel-Selective Electron Spectra

  • Authors: Lutz Fechner

  • Series Title: Springer Theses

  • DOI: https://doi.org/10.1007/978-3-319-32046-5

  • Publisher: Springer Cham

  • eBook Packages: Physics and Astronomy, Physics and Astronomy (R0)

  • Copyright Information: Springer International Publishing Switzerland 2016

  • Hardcover ISBN: 978-3-319-32045-8Published: 09 May 2016

  • Softcover ISBN: 978-3-319-81183-3Published: 27 May 2018

  • eBook ISBN: 978-3-319-32046-5Published: 26 April 2016

  • Series ISSN: 2190-5053

  • Series E-ISSN: 2190-5061

  • Edition Number: 1

  • Number of Pages: XIV, 151

  • Number of Illustrations: 42 b/w illustrations, 29 illustrations in colour

  • Topics: Atoms and Molecules in Strong Fields, Laser Matter Interaction, Spectroscopy and Microscopy

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