Generation of sub-3 fs pulses in the deep ultraviolet

Florentin Reiter, Ulrich Graf, Martin Schultze, Wolfgang Schweinberger, Hartmut Schröder, Nicholas Karpowicz, Abdallah Mohammed Azzeer, Reinhard Kienberger, Ferenc Krausz, Eleftherios Goulielmakis

Research output: Contribution to journalArticlepeer-review


We demonstrate generation and measurement of intense deep-ultraviolet light pulses with a duration of ∼2.8fs (FWHM of the intensity envelope) and a wavelength distribution between 230 and 290nm. They emerge via direct frequency upconversion of sub-4fs laser pulses of a carrier wavelength of ∼750nm focused into an Ne-filled, quasi-static gas cell. Dispersion-free, third-order autocorrelation measurements provide access to their temporal intensity profile.
Original languageEnglish
Pages (from-to)2248-2250
Number of pages3
JournalOptics Letters
Issue number13
Publication statusPublished - 2010
Externally publishedYes

Fields of Expertise

  • Advanced Materials Science


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