Spatially encoded, single-shot ultrafast spectroscopies

John T. Fourkas, Lisa Dhar, Keith A. Nelson, Rick Trebino

Research output: Contribution to journalArticlepeer-review

39 Scopus citations


We analyze the time-resolution constraints for two single-shot, time-resolved femtosecond spectroscopic techniques, an excite–probe method, and a transient-grating method. For pulse lengths of tens of femtoseconds, the former technique is shown to provide pulse-length-limited resolution for samples as much as hundreds of micrometers thick. The latter technique is shown to provide nearly pulse-length-limited resolution under a variety of conditions, independent of the sample thickness.

Original languageEnglish (US)
Pages (from-to)155-165
Number of pages11
JournalJournal of the Optical Society of America B: Optical Physics
Issue number1
StatePublished - Jan 1995
Externally publishedYes

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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