High-order harmonic transient grating spectroscopy in a molecular jet

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.100.143903
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TypeArticle
Journal titlePhysical Review Letters
Volume100
Pages143903-1143903-4; # of pages: 4
AbstractWe study high-order harmonic generation in excited media using a four-wave-mixing-like configuration. We analyze the spatial profile of high harmonics emitted by a grating of rotationally excited molecules as a function of the pump-probe delay. We demonstrate a dramatic improvement in the contrast of the diffracted signal relative to the total high harmonic signal. This allows us to observe subtle effects in the rotational wave packet excitation such as the pump-intensity dependence of the wave packet dynamics. High harmonic transient grating spectroscopy can be extended to all forms of molecular excitation and to weak resonant excitation.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number16925506
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Record identifierb2525544-b75c-43f6-b4ce-27cc6784bc44
Record created2011-03-15
Record modified2016-05-09
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