Ponderomotive effects in zero kinetic energy photoelectron spectroscopy with intense femtosecond pulses

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DOIResolve DOI: http://doi.org/10.1016/0009-2614(95)00049-A
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TypeArticle
Journal titleChemical Physics Letters
Volume234
Issue4-6
Pages281288; # of pages: 8
AbstractZero kinetic energy photoelectron (ZEKE) spectroscopy may be an interesting technique for monitoring the time evolution of state selected atomic products in ultrafast pump-probe experiments. We investigate here the effects of laser intensity by studying three-photon non-resonant ZEKE spectra of atomic xenon at the first ionization threshold with tunable femtosecond UV pulses. High intensity introduces a new broadening due to ponderomotive effects in the ZEKE spectrum. It is demonstrated that a three-photon ZEKE spectrum can be recorded at intensities where the broadenign due to these ponderomotive effects (i.e. the ac Stark shift for high-n Rydberg states) is small in comparison with the effective laser bandwidth.
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AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12326995
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Record identifier9d28cddf-267d-4404-a9de-f220ad9a310e
Record created2009-09-10
Record modified2016-05-09
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