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Self-Probing Spectroscopy of the SF6 Molecule: A Study of the Spectral Amplitude and Phase of the High Harmonic Emission

Manschwetus, Bastian LU ; Lin, Nan; Rothhardt, Jan; Guichard, Roland; Auguste, Thierry; Camper, Antoine; Breger, Pierre; Caillat, Jeremie; Geleoc, Marie and Ruchon, Thierry, et al. (2015) In The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory 119(23). p.6111-6122
Abstract
We present characterizations of the attosecond pulse train produced in the high harmonic generation (HHG) from SF6 molecules irradiated by a strong pulsed laser field at 800 nm. At harmonic order 17, we observe a minimum in the amplitude of the emitted spectrum and a corresponding distortion in the phase. Our experimental results are compared to two models: a multicenter interference model focused on the effect of the structure of the SF6 molecule in HHG and a model focused on the interferences between multiple ionization channels in HHG. We find that the experimental results agree very well with the multiple ionization channels model, illustrating that HHG in molecules can be very complex and that it provides insights of the... (More)
We present characterizations of the attosecond pulse train produced in the high harmonic generation (HHG) from SF6 molecules irradiated by a strong pulsed laser field at 800 nm. At harmonic order 17, we observe a minimum in the amplitude of the emitted spectrum and a corresponding distortion in the phase. Our experimental results are compared to two models: a multicenter interference model focused on the effect of the structure of the SF6 molecule in HHG and a model focused on the interferences between multiple ionization channels in HHG. We find that the experimental results agree very well with the multiple ionization channels model, illustrating that HHG in molecules can be very complex and that it provides insights of the intramolecular electron dynamics during the interaction process. (Less)
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publication status
published
subject
in
The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory
volume
119
issue
23
pages
6111 - 6122
publisher
The American Chemical Society
external identifiers
  • wos:000356317300023
  • scopus:84931264393
ISSN
1520-5215
DOI
10.1021/acs.jpca.5b00446
language
English
LU publication?
yes
id
9a67db17-11f4-4304-8a62-b98b529ecf61 (old id 7600728)
date added to LUP
2015-07-23 13:29:24
date last changed
2017-08-20 04:04:31
@article{9a67db17-11f4-4304-8a62-b98b529ecf61,
  abstract     = {We present characterizations of the attosecond pulse train produced in the high harmonic generation (HHG) from SF6 molecules irradiated by a strong pulsed laser field at 800 nm. At harmonic order 17, we observe a minimum in the amplitude of the emitted spectrum and a corresponding distortion in the phase. Our experimental results are compared to two models: a multicenter interference model focused on the effect of the structure of the SF6 molecule in HHG and a model focused on the interferences between multiple ionization channels in HHG. We find that the experimental results agree very well with the multiple ionization channels model, illustrating that HHG in molecules can be very complex and that it provides insights of the intramolecular electron dynamics during the interaction process.},
  author       = {Manschwetus, Bastian and Lin, Nan and Rothhardt, Jan and Guichard, Roland and Auguste, Thierry and Camper, Antoine and Breger, Pierre and Caillat, Jeremie and Geleoc, Marie and Ruchon, Thierry and Taieb, Richard and Carre, Bertrand and Salieres, Pascal},
  issn         = {1520-5215},
  language     = {eng},
  number       = {23},
  pages        = {6111--6122},
  publisher    = {The American Chemical Society},
  series       = {The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory},
  title        = {Self-Probing Spectroscopy of the SF6 Molecule: A Study of the Spectral Amplitude and Phase of the High Harmonic Emission},
  url          = {http://dx.doi.org/10.1021/acs.jpca.5b00446},
  volume       = {119},
  year         = {2015},
}