Dynamic stark control of photochemical processes

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DOIResolve DOI: http://doi.org/10.1126/science.1132289
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TypeArticle
Journal titleScience
Volume314
Issue5797
Pages278281; # of pages: 4
AbstractA method is presented for controlling the outcome of photochemical reactions by using the dynamic Stark effect due to a strong, nonresonant infrared field. The application of a precisely timed infrared laser pulse reversibly modifies potential energy barriers during a chemical reaction without inducing any real electronic transitions. Dynamic Stark control (DSC) is experimentally demonstrated for a nonadiabatic photochemical reaction, showing substantial modification of reaction channel probabilities in the dissociation of IBr. The DSC process is nonperturbative and insensitive to laser frequency and affects all polarizable molecules, suggesting broad applicability.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number12328686
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Record identifier5f3ab15f-34ef-4877-9f43-e8b6ca3e5339
Record created2009-09-10
Record modified2016-05-09
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