Optically timed submillimeter time-of-flight mass spectrometry

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DOIResolve DOI: http://doi.org/10.1021/ac034621x
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TypeArticle
Journal titleAnalytical Chemistry
ISSN0003-2700
Volume76
Issue2
Pages262266; # of pages: 5
SubjectElectric fields; Isotopes; Mass spectrometry; Explosion detection; Femtosecond laser pulses; Laser ionization; Laser pulses; isotope; optical rotation; polarimetry; time of flight mass spectrometry
AbstractWe demonstrate that using intense femtosecond laser pulses to optically time ion flight can lead to a miniature time-of-flight mass spectrometer. After laser ionization, the molecular ion is accelerated by a static electric field and detected using a second, delayed laser pulse. The relative positions of the two laser foci determine the ion flight distance while the time separation of the laser pulses fixes the ion flight time. We mass-resolve CS2 or C6H6 isotopes after a flight distance of 360 μm using either double ionization or Coulomb explosion detection.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number21276245
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Record identifierf935144e-f6e5-4f6e-9a0f-7289cfb0b3d2
Record created2015-09-28
Record modified2016-05-09
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