Polarization state of high-order harmonic emission from aligned molecules

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.99.243001
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TypeArticle
Journal titlePhysical Review Letters
ISSN0031-9007
Volume99
Issue24
Article number243001
SubjectHarmonic generation; Measurement theory; Molecular orientation; Polarization; Ultraviolet radiation; Aligned molecules; Isotropic gases; Ultraviolet emission; Harmonic analysis
AbstractHigh harmonic emission in isotropic gases is polarized in the same direction as the incident laser polarization. Laser-induced molecular alignment allows us to break the symmetry of the gas medium. By using aligned molecules in high harmonic generation experiments, we show that the polarization of the extreme ultraviolet emission depends strongly on the molecular alignment and the orbital structure. Polarization measurements give insight into the molecular orbital symmetry. Furthermore, molecular alignment will allow us to produce attosecond pulses with time-dependent polarization. © 2007 The American Physical Society.
Publication date
LanguageEnglish
AffiliationNRC Steacie Institute for Molecular Sciences; National Research Council Canada
Peer reviewedYes
NPARC number21276232
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Record identifierdf3d4ab7-5aea-405a-9639-38ea4b96ea97
Record created2015-09-28
Record modified2016-05-09
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