Electron wavepacket control with elliptically polarized laser light in high harmonic generation from aligned molecules

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DOIResolve DOI: http://doi.org/10.1088/1367-2630/10/2/025015
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TypeArticle
Journal titleNew Journal of Physics
Volume10
Pages025015-1025015-13; # of pages: 13
AbstractWe study experimentally and theoretically the high harmonic emission from aligned samples of nitrogen and carbon dioxide, in an elliptically polarized laser field. The ellipticity induces a lateral shift of the recombining electron wavepacket in the generation process. We show that this effect, which is well known from high harmonic generation (HHG) in atoms, can be useful to maintain the plane wave approximation in the case of HHG from molecules whose orbitals contain nodal planes. The study of the harmonic signal as a function of molecular alignment also reveals the role of the ellipticity on the recollision angle of the electron wavepacket, which can be used to accurately track the position of resonances in harmonic spectra.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number16925508
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Record identifier3adf1eda-799f-4995-8037-ee3430669447
Record created2011-03-15
Record modified2016-05-09
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