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Statistical analysis of pump-pulse propagation in gas-filled capillaries for high-harmonic generation

Statistical analysis of pump-pulse propagation in gas-filled capillaries for high-harmonic generation
Statistical analysis of pump-pulse propagation in gas-filled capillaries for high-harmonic generation
Driving high-harmonic generation (HHG) with ultrashort pulses confined to gas-filled capillaries is an efficient method of generating extreme ultraviolet and x-ray radiation. In-situ pulse compression can significantly enhance HHG efficiency [1] but requires operation in the high-ionisation limit, leading to high sensitivity to initial conditions and causing the Gaussian driving pulse to break up into a train of subpulses as it propagates. Our previous studies [1,2] have focused on the most intense subpulse, which can be very short (<10 fs). Here, we perform statistical analysis of all pulse components predicted by numerical simulation, including the contribution of the weaker subpulses, with the aim of predicting generated HHG profiles.
Degen-Knifton, A.W.
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Anderson, P.N.
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Brocklesby, W.S.
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Horak, P.
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Degen-Knifton, A.W.
b5263cbb-0a09-406b-bd74-2b4180c31a39
Anderson, P.N.
0d00519b-0535-4414-8f16-588ce79430bf
Brocklesby, W.S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67
Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03

Degen-Knifton, A.W., Anderson, P.N., Brocklesby, W.S. and Horak, P. (2014) Statistical analysis of pump-pulse propagation in gas-filled capillaries for high-harmonic generation. Photon14, London, United Kingdom. 31 Aug - 03 Sep 2014. 1 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Driving high-harmonic generation (HHG) with ultrashort pulses confined to gas-filled capillaries is an efficient method of generating extreme ultraviolet and x-ray radiation. In-situ pulse compression can significantly enhance HHG efficiency [1] but requires operation in the high-ionisation limit, leading to high sensitivity to initial conditions and causing the Gaussian driving pulse to break up into a train of subpulses as it propagates. Our previous studies [1,2] have focused on the most intense subpulse, which can be very short (<10 fs). Here, we perform statistical analysis of all pulse components predicted by numerical simulation, including the contribution of the weaker subpulses, with the aim of predicting generated HHG profiles.

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Published date: September 2014
Venue - Dates: Photon14, London, United Kingdom, 2014-08-31 - 2014-09-03
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 378896
URI: http://eprints.soton.ac.uk/id/eprint/378896
PURE UUID: 616aaee7-737b-43ae-8d58-e2bb456c1797
ORCID for W.S. Brocklesby: ORCID iD orcid.org/0000-0002-2123-6712
ORCID for P. Horak: ORCID iD orcid.org/0000-0002-8710-8764

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Date deposited: 10 Jul 2015 14:10
Last modified: 18 Feb 2021 16:59

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