Título
Direct temporal characterization of sub-3-fs deep UV pulses generated by resonant dispersive wave emission
Autor(es)
Palabras clave
Attosecond pulses
Nonlinear optical crystals
Nonlinear parametric processes
Optical amplifiers
Photonic crystal fibers
Third harmonic generation
Fecha de publicación
2023-07
Editor
Optica Publishing Group
Citación
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. (2023). Direct temporal characterization of sub-3-fs deep UV pulses generated by resonant dispersive wave emission. Optics Express, 31(16), 26854. https://doi.org/10.1364/oe.494879
Resumen
[EN]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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