Oriented rotational wave-packet dynamics studies via high harmonic generation

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.109.113901
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TypeArticle
Journal titlePhysical Review Letters
Volume109
Issue11
Pages113901-1113901-5; # of pages: 5
AbstractWe produce oriented rotational wave packets in CO and measure their characteristics via high harmonic generation. The wave packet is created using an intense, femtosecond laser pulse and its second harmonic. A delayed 800 nm pulse probes the wave packet, generating even-order high harmonics that arise from the broken symmetry induced by the orientation dynamics. The even-order harmonic radiation that we measure appears on a zero background, enabling us to accurately follow the temporal evolution of the wave packet. Our measurements reveal that, for the conditions optimum for harmonic generation, the orientation is produced by preferential ionization which depletes the sample of molecules of one orientation.
Publication date
PublisherAmerican Physical Society
LanguageEnglish
AffiliationNRC Steacie Institute for Molecular Sciences; Security and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number21268075
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Record identifierf67ef34b-12f0-4c85-ace1-d4f9851dec02
Record created2013-04-08
Record modified2016-05-09
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