Polarization State of High-Order Harmonic Emission from Aligned Molecules | Zendy

Jérôme Levesque | Zendy; Y. Mairesse | Zendy; Nirit Dudovich | Zendy; H. Pépin | Zendy; Jean-Claude Kieffer | Zendy; P. B. Corkum | Zendy; D. M. Villeneuve | Zendy

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Polarization State of High-Order Harmonic Emission from Aligned Molecules

Author(s) -

Jérôme Levesque,

Y. Mairesse,

Nirit Dudovich,

H. Pépin,

Jean-Claude Kieffer,

P. B. Corkum,

D. M. Villeneuve

Publication year - 2007

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.99.243001

Subject(s) - polarization (electrochemistry) , high harmonic generation , attosecond , laser , isotropy , atomic physics , molecule , physics , extreme ultraviolet , linear polarization , polarization rotator , molecular physics , surface second harmonic generation , ultraviolet , molecular symmetry , optics , materials science , ultrashort pulse , birefringence , quantum mechanics , chemistry

High 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. \ua9 2007 The American Physical Society.Peer reviewed: YesNRC publication: Ye

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