Laser Coulomb explosion imaging for probing ultra-fast molecular dynamics

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DOIResolve DOI: http://doi.org/10.1088/0953-4075/39/13/S23
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TypeArticle
Journal titleJournal Of Physics. B: Atomic, Molecular And Optical Physics
ISSN09534075
Volume39
Issue13
PagesS503S513
AbstractWe use laser Coulomb explosion imaging (CEI) to measure structural change during molecular ultra-fast dynamics. We obtain time information with a pump–probe approach using few-cycle laser pulses (<8 fs). The time required for ionization by the intense probe pulse sets our time resolution at ~4 fs. Using coincidence imaging, we obtain image information by measuring the vector momenta of all atomic ions produced by Coulomb explosion of a single molecule. We demonstrate the capability of laser CEI by following the motion of vibrating D2+ and of dissociating SO22+ and SO23+ molecules with sub-Å spatial resolution. Using correlation maps, we identify molecules by dissociation channel.
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AffiliationNational Research Council Canada
Peer reviewedYes
Identifier10436327
NPARC number12339347
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Record identifier0c8969e6-de71-45f2-9f89-1f5ec50422ac
Record created2009-09-11
Record modified2016-05-09
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