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Attosecond electron wave packet dynamics in strong laser fields

Johnsson, Per LU ; Lopez-Martens, R; Kazamias, S; Mauritsson, J; Valentin, C; Remetter, Thomas LU ; Varju, Katalin LU ; Gaarde, M B; Mairesse, Y and Wabnitz, H, et al. (2005) In Physical Review Letters 95(1). p.1-013001
Abstract
We use a train of sub-200 attosecond extreme ultraviolet (XUV) pulses with energies just above the ionization threshold in argon to create a train of temporally localized electron wave packets. We study the energy transfer from a strong infrared (IR) laser field to the ionized electrons as a function of the delay between the XUV and IR fields. When the wave packets are born at the zero crossings of the IR field, a significant amount of energy (similar to 20 eV) is transferred from the field to the electrons. This results in dramatically enhanced above-threshold ionization in conditions where the IR field alone does not induce any significant ionization. Because both the energy and duration of the wave packets can be varied independently of... (More)
We use a train of sub-200 attosecond extreme ultraviolet (XUV) pulses with energies just above the ionization threshold in argon to create a train of temporally localized electron wave packets. We study the energy transfer from a strong infrared (IR) laser field to the ionized electrons as a function of the delay between the XUV and IR fields. When the wave packets are born at the zero crossings of the IR field, a significant amount of energy (similar to 20 eV) is transferred from the field to the electrons. This results in dramatically enhanced above-threshold ionization in conditions where the IR field alone does not induce any significant ionization. Because both the energy and duration of the wave packets can be varied independently of the IR laser, they are valuable tools for studying and controlling strong-field processes. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
95
issue
1
pages
1 - 013001
publisher
American Physical Society
external identifiers
  • wos:000230275500024
  • scopus:27144529889
ISSN
1079-7114
DOI
10.1103/PhysRevLett.95.013001
language
English
LU publication?
yes
id
3d553077-9fe2-41fe-b9ae-3b6d22aa9e98 (old id 233298)
date added to LUP
2007-08-03 11:23:21
date last changed
2017-08-27 03:48:11
@article{3d553077-9fe2-41fe-b9ae-3b6d22aa9e98,
  abstract     = {We use a train of sub-200 attosecond extreme ultraviolet (XUV) pulses with energies just above the ionization threshold in argon to create a train of temporally localized electron wave packets. We study the energy transfer from a strong infrared (IR) laser field to the ionized electrons as a function of the delay between the XUV and IR fields. When the wave packets are born at the zero crossings of the IR field, a significant amount of energy (similar to 20 eV) is transferred from the field to the electrons. This results in dramatically enhanced above-threshold ionization in conditions where the IR field alone does not induce any significant ionization. Because both the energy and duration of the wave packets can be varied independently of the IR laser, they are valuable tools for studying and controlling strong-field processes.},
  author       = {Johnsson, Per and Lopez-Martens, R and Kazamias, S and Mauritsson, J and Valentin, C and Remetter, Thomas and Varju, Katalin and Gaarde, M B and Mairesse, Y and Wabnitz, H and Salieres, P and Balcou, P and Schafer, K J and L'Huillier, Anne},
  issn         = {1079-7114},
  language     = {eng},
  number       = {1},
  pages        = {1--013001},
  publisher    = {American Physical Society},
  series       = {Physical Review Letters},
  title        = {Attosecond electron wave packet dynamics in strong laser fields},
  url          = {http://dx.doi.org/10.1103/PhysRevLett.95.013001},
  volume       = {95},
  year         = {2005},
}