Direct temporal characterization of sub-3-fs deep UV pulses generated by resonant dispersive wave emission

We report on the complete temporal characterization of ultrashort pulses, generated by resonant dispersive wave emission in gas-filled hollow-capillary fibers, with energy in the microjoule range and continuously tunable from the deep-ultraviolet to the ultraviolet. Temporal characterization of such...

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Bibliographic Details
Published inOptics express Vol. 31; no. 16; p. 26854
Main Authors Reduzzi, M., Pini, M., Mai, L., Cappenberg, F., Colaizzi, L., Vismarra, F., Crego, A., Lucchini, M., Brahms, C., Travers, J. C., Borrego-Varillas, R., Nisoli, M.
Format Journal Article
LanguageEnglish
Published 31.07.2023
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Summary:We report on the complete temporal characterization of ultrashort pulses, generated by resonant dispersive wave emission in gas-filled hollow-capillary fibers, with energy in the microjoule range and continuously tunable from the deep-ultraviolet to the ultraviolet. Temporal characterization of such ultrabroad pulses, particularly challenging in this spectral region, was performed using an all-in-vacuum setup for self-diffraction frequency resolved optical gating (SD-FROG). Sub-3-fs pulses were measured, tunable from 250 nm to 350 nm, with a minimum pulse duration of 2.4 ± 0.1 fs.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.494879