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High-power laser pulse compression for optimized high-harmonic generation in short hollow fibers

High-power laser pulse compression for optimized high-harmonic generation in short hollow fibers
High-power laser pulse compression for optimized high-harmonic generation in short hollow fibers
High-harmonic generation (HHG) driven by high-power femtosecond lasers is a promising route towards tabletop sources of coherent radiation at extreme ultraviolet (XUV) and soft Xray wavelengths. In order to maximize conversion efficiency and to obtain attosecond pulse lengths of the harmonics, pump pulse lengths down to the few-cycle regime are required. Traditionally, this has been achieved by nonlinear spectral broadening in gases and subsequent dispersion compression or by self-compression in laser-induced filaments. Here we investigate an alternative method that is simpler to implement experimentally, based on multimode non-linear propagation effects in short, centimeter-length, gas-filled hollow fibers operating in the high-ionization regime.
Horak, P.
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Anderson, P.N.
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Butcher, T.J.
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Frey, J.G.
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Brocklesby, W.S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67
Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03
Anderson, P.N.
0d00519b-0535-4414-8f16-588ce79430bf
Butcher, T.J.
2dfc060f-4f4d-4e0b-b029-b0780ac4b532
Frey, J.G.
ba60c559-c4af-44f1-87e6-ce69819bf23f
Brocklesby, W.S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67

Horak, P., Anderson, P.N., Butcher, T.J., Frey, J.G. and Brocklesby, W.S. (2013) High-power laser pulse compression for optimized high-harmonic generation in short hollow fibers. PIERS 2013, Sweden. 12 - 15 Aug 2013. 1 pp .

Record type: Conference or Workshop Item (Other)

Abstract

High-harmonic generation (HHG) driven by high-power femtosecond lasers is a promising route towards tabletop sources of coherent radiation at extreme ultraviolet (XUV) and soft Xray wavelengths. In order to maximize conversion efficiency and to obtain attosecond pulse lengths of the harmonics, pump pulse lengths down to the few-cycle regime are required. Traditionally, this has been achieved by nonlinear spectral broadening in gases and subsequent dispersion compression or by self-compression in laser-induced filaments. Here we investigate an alternative method that is simpler to implement experimentally, based on multimode non-linear propagation effects in short, centimeter-length, gas-filled hollow fibers operating in the high-ionization regime.

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e-pub ahead of print date: 2013
Venue - Dates: PIERS 2013, Sweden, 2013-08-12 - 2013-08-15
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 365180
URI: http://eprints.soton.ac.uk/id/eprint/365180
PURE UUID: f9be3901-47e2-474f-a948-83a6c4e73999
ORCID for P. Horak: ORCID iD orcid.org/0000-0002-8710-8764
ORCID for J.G. Frey: ORCID iD orcid.org/0000-0003-0842-4302
ORCID for W.S. Brocklesby: ORCID iD orcid.org/0000-0002-2123-6712

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Date deposited: 27 May 2014 12:58
Last modified: 18 Feb 2021 16:59

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