Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation

Lloyd, David T.; O’Keeffe, Kevin; Hooker, Simon M.; O'Keeffe, Kevin

doi:10.1364/OE.27.006925

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Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation

David T. Lloyd, Kevin O’Keeffe, Simon M. Hooker, Kevin O'Keeffe

Optics Express, Volume: 27, Issue: 5, Start page: 6925

Swansea University Author: Kevin O'Keeffe

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DOI (Published version): 10.1364/OE.27.006925

Abstract

The output from a wavelength-tunable optical parametric amplifer was used to generate high-order harmonics in a range of nobel gases. The phase-mathcing pressure and harmonic cut-off were recorded for each target gas at diffenent fundamental wavelengths. The experimental results are compared to a mo...

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Published in:	Optics Express
ISSN:	1094-4087
Published:	Washington, D.C. 20036-1012 USA Optical Society of America 2019
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa48797
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first_indexed	2019-02-11T20:04:26Z
last_indexed	2020-06-16T19:01:22Z
id	cronfa48797
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spelling	2020-06-16T15:51:02.7499400 v2 48797 2019-02-11 Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation e17dfae9042b113b28e8340ea1572db4 0000-0003-2085-0806 Kevin O'Keeffe Kevin O'Keeffe true false 2019-02-11 SPH The output from a wavelength-tunable optical parametric amplifer was used to generate high-order harmonics in a range of nobel gases. The phase-mathcing pressure and harmonic cut-off were recorded for each target gas at diffenent fundamental wavelengths. The experimental results are compared to a model of the high-harmonic generation process, which include two separate models of photo-ionization. The calculated results using the Yudin-Ivanov model of ionization are shown to yield superior agreement with experiment in contrast to the more widely used Ammosov-Delone-Krainov model. Journal Article Optics Express 27 5 6925 Optical Society of America Washington, D.C. 20036-1012 USA 1094-4087 High-harmonic generation, optical parametric amplification, ionization 31 12 2019 2019-12-31 10.1364/OE.27.006925 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University UKRI, EP/N029313/1 2020-06-16T15:51:02.7499400 2019-02-11T16:15:01.7569183 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics David T. Lloyd 1 Kevin O’Keeffe 2 Simon M. Hooker 3 Kevin O'Keeffe 0000-0003-2085-0806 4 0048797-27022019104048.pdf 48797.pdf 2019-02-27T10:40:48.2470000 Output 1793113 application/pdf Version of Record true 2019-02-27T00:00:00.0000000 Distributed under ther terms of a Creative Commons Attribution 4.0 License true eng https://creativecommons.org/licenses/by/4.0/
title	Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation
spellingShingle	Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation Kevin O'Keeffe
title_short	Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation
title_full	Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation
title_fullStr	Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation
title_full_unstemmed	Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation
title_sort	Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation
author_id_str_mv	e17dfae9042b113b28e8340ea1572db4
author_id_fullname_str_mv	e17dfae9042b113b28e8340ea1572db4_***_Kevin O'Keeffe
author	Kevin O'Keeffe
author2	David T. Lloyd Kevin O’Keeffe Simon M. Hooker Kevin O'Keeffe
format	Journal article
container_title	Optics Express
container_volume	27
container_issue	5
container_start_page	6925
publishDate	2019
institution	Swansea University
issn	1094-4087
doi_str_mv	10.1364/OE.27.006925
publisher	Optical Society of America
college_str	Faculty of Science and Engineering
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department_str	School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
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description	The output from a wavelength-tunable optical parametric amplifer was used to generate high-order harmonics in a range of nobel gases. The phase-mathcing pressure and harmonic cut-off were recorded for each target gas at diffenent fundamental wavelengths. The experimental results are compared to a model of the high-harmonic generation process, which include two separate models of photo-ionization. The calculated results using the Yudin-Ivanov model of ionization are shown to yield superior agreement with experiment in contrast to the more widely used Ammosov-Delone-Krainov model.
published_date	2019-12-31T03:59:27Z
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score	11.037144

Comparison of Strong-field Ionization Models in the Wavelength-scaling of High Harmonic Generation

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