Direct characterization of tuneable few-femtosecond dispersive-wave pulses in the deep UV

Christian Brahms; Dane R. Austin; Francesco Tani; Allan S. Johnson; Douglas Garratt; John C. Travers; John W. G. Tisch; Philip St. J. Russell; Jon P. Marangos

doi:10.1364/OL.44.000731

Direct characterization of tuneable few-femtosecond dispersive-wave pulses in the deep UV

Christian Brahms, Dane R. Austin, Francesco Tani, Allan S. Johnson, Douglas Garratt, John C. Travers, John W. G. Tisch, Philip St. J. Russell, Jon P. Marangos

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Abstract

Dispersive wave emission (DWE) in gas-filled hollow-core dielectric waveguides is a promising source of tuneable coherent and broadband radiation, but so far the generation of few-femtosecond pulses using this technique has not been demonstrated. Using in-vacuum frequency-resolved optical gating, we directly characterize tuneable 3 fs pulses in the deep ultraviolet generated via DWE. Through numerical simulations, we identify that the use of a pressure gradient in the waveguide is critical for the generation of short pulses.

Original language	English
Pages (from-to)	731-734
Number of pages	4
Journal	Optics Letters
Volume	44
Issue number	4
Early online date	4 Feb 2019
DOIs	https://doi.org/10.1364/OL.44.000731
Publication status	Published - 15 Feb 2019

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abstract = "Dispersive wave emission (DWE) in gas-filled hollow-core dielectric waveguides is a promising source of tuneable coherent and broadband radiation, but so far the generation of few-femtosecond pulses using this technique has not been demonstrated. Using in-vacuum frequency-resolved optical gating, we directly characterize tuneable 3 fs pulses in the deep ultraviolet generated via DWE. Through numerical simulations, we identify that the use of a pressure gradient in the waveguide is critical for the generation of short pulses.",

author = "Christian Brahms and Austin, {Dane R.} and Francesco Tani and Johnson, {Allan S.} and Douglas Garratt and Travers, {John C.} and Tisch, {John W. G.} and {St. J. Russell}, Philip and Marangos, {Jon P.}",

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T1 - Direct characterization of tuneable few-femtosecond dispersive-wave pulses in the deep UV

AU - Brahms, Christian

AU - Austin, Dane R.

AU - Tani, Francesco

AU - Johnson, Allan S.

AU - Garratt, Douglas

AU - Travers, John C.

AU - Tisch, John W. G.

AU - St. J. Russell, Philip

AU - Marangos, Jon P.

PY - 2019/2/15

Y1 - 2019/2/15

N2 - Dispersive wave emission (DWE) in gas-filled hollow-core dielectric waveguides is a promising source of tuneable coherent and broadband radiation, but so far the generation of few-femtosecond pulses using this technique has not been demonstrated. Using in-vacuum frequency-resolved optical gating, we directly characterize tuneable 3 fs pulses in the deep ultraviolet generated via DWE. Through numerical simulations, we identify that the use of a pressure gradient in the waveguide is critical for the generation of short pulses.

AB - Dispersive wave emission (DWE) in gas-filled hollow-core dielectric waveguides is a promising source of tuneable coherent and broadband radiation, but so far the generation of few-femtosecond pulses using this technique has not been demonstrated. Using in-vacuum frequency-resolved optical gating, we directly characterize tuneable 3 fs pulses in the deep ultraviolet generated via DWE. Through numerical simulations, we identify that the use of a pressure gradient in the waveguide is critical for the generation of short pulses.

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DO - 10.1364/OL.44.000731

M3 - Article

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VL - 44

SP - 731

EP - 734

JO - Optics Letters

JF - Optics Letters

IS - 4

ER -

Direct characterization of tuneable few-femtosecond dispersive-wave pulses in the deep UV

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