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Trains of attosecond electron wave packets

Johnsson, Per LU orcid ; Varju, Katalin LU ; Remetter, Thomas LU ; Mansten, Erik LU ; Mauritsson, J ; Lopez-Martens, R ; Kazamias, S ; Valentin, C ; Balcou, P and Gaarde, MB , et al. (2006) In Journal of Modern Optics 53(1-2). p.233-245
Abstract
We study temporally localized electron wave packets, generated using a train of extreme ultraviolet (XUV) attosecond pulses to ionize the target atoms. Both the electron wave packets and the attosecond pulse train ( APT) are characterized using the same technique, based on interference of two-photon transitions in the continuum. We study, in particular, the energy transfer from a moderately strong infrared (IR) field to the electron wave packets as a function of time delay between the XUV and the IR fields. The use of an APT to generate the electron wave packets enables the generation at times not accessible through tunneling ionization. We find that a significant amount of energy is transferred from the IR field to the electron wave... (More)
We study temporally localized electron wave packets, generated using a train of extreme ultraviolet (XUV) attosecond pulses to ionize the target atoms. Both the electron wave packets and the attosecond pulse train ( APT) are characterized using the same technique, based on interference of two-photon transitions in the continuum. We study, in particular, the energy transfer from a moderately strong infrared (IR) field to the electron wave packets as a function of time delay between the XUV and the IR fields. The use of an APT to generate the electron wave packets enables the generation at times not accessible through tunneling ionization. We find that a significant amount of energy is transferred from the IR field to the electron wave packets, when they are generated at a zero-crossing of the IR laser field. This energy transfer results in a dramatically enhanced above-threshold ionization even at IR intensities that alone are not strong enough to induce any significant ionization. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Modern Optics
volume
53
issue
1-2
pages
233 - 245
publisher
Taylor & Francis
external identifiers
  • wos:000235212900023
  • scopus:33751285553
ISSN
0950-0340
DOI
10.1080/09500340500228180
language
English
LU publication?
yes
id
19a49449-4fa5-4488-9729-28b3ecae8802 (old id 417730)
date added to LUP
2016-04-01 16:51:37
date last changed
2022-01-28 22:39:29
@article{19a49449-4fa5-4488-9729-28b3ecae8802,
  abstract     = {{We study temporally localized electron wave packets, generated using a train of extreme ultraviolet (XUV) attosecond pulses to ionize the target atoms. Both the electron wave packets and the attosecond pulse train ( APT) are characterized using the same technique, based on interference of two-photon transitions in the continuum. We study, in particular, the energy transfer from a moderately strong infrared (IR) field to the electron wave packets as a function of time delay between the XUV and the IR fields. The use of an APT to generate the electron wave packets enables the generation at times not accessible through tunneling ionization. We find that a significant amount of energy is transferred from the IR field to the electron wave packets, when they are generated at a zero-crossing of the IR laser field. This energy transfer results in a dramatically enhanced above-threshold ionization even at IR intensities that alone are not strong enough to induce any significant ionization.}},
  author       = {{Johnsson, Per and Varju, Katalin and Remetter, Thomas and Mansten, Erik and Mauritsson, J and Lopez-Martens, R and Kazamias, S and Valentin, C and Balcou, P and Gaarde, MB and Schafer, KJ and L'Huillier, Anne}},
  issn         = {{0950-0340}},
  language     = {{eng}},
  number       = {{1-2}},
  pages        = {{233--245}},
  publisher    = {{Taylor & Francis}},
  series       = {{Journal of Modern Optics}},
  title        = {{Trains of attosecond electron wave packets}},
  url          = {{https://lup.lub.lu.se/search/files/4801668/2425935.pdf}},
  doi          = {{10.1080/09500340500228180}},
  volume       = {{53}},
  year         = {{2006}},
}