Generation of sub-3 fs pulses in the deep ultraviolet

We demonstrate generation and measurement of intense deep-ultraviolet light pulses with a duration of approximately 2.8 fs (FWHM of the intensity envelope) and a wavelength distribution between 230 and 290 nm. They emerge via direct frequency upconversion of sub-4 fs laser pulses of a carrier wavele...

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Veröffentlicht in:	Optics letters 2010-07, Vol.35 (13), p.2248-2250
Hauptverfasser:	REITER, Florentin, GRAF, Ulrich, SCHULTZE, Martin, SCHWEINBERGER, Wolfgang, SCHRÖDER, Hartmut, KARPOWICZ, Nicholas, ABDALLAH MOHAMMED AZZEER, KIENBERGER, Reinhard, KRAUSZ, Ferenc, GOULIELMAKIS, Eleftherios
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Nonlinear optics Optics Physics Ultrafast processes optical pulse generation and pulse compression
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Beschreibung
Zusammenfassung:	We demonstrate generation and measurement of intense deep-ultraviolet light pulses with a duration of approximately 2.8 fs (FWHM of the intensity envelope) and a wavelength distribution between 230 and 290 nm. They emerge via direct frequency upconversion of sub-4 fs laser pulses of a carrier wavelength of approximately 750 nm focused into an Ne-filled, quasi-static gas cell. Dispersion-free, third-order autocorrelation measurements provide access to their temporal intensity profile.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/ol.35.002248