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Modal effects on pump-pulse propagation in an Ar-filled capillary

Modal effects on pump-pulse propagation in an Ar-filled capillary
Modal effects on pump-pulse propagation in an Ar-filled capillary
Accurate three-dimensional modelling of nonlinear pulse propagation within a gas-filled capillary is essential for understanding and improving the XUV yield in high harmonic generation. We introduce both a new model based on a multimode generalized nonlinear Schrödinger equation and a novel spatio-spectral measurement technique to which the model can be compared. The theory shows excellent agreement with the measured output spectrum and the spatio-spectral measurement reveals that the model correctly predicts higher order mode contributions to spectral broadening of the pulse. Fluorescence from the excited argon is used to verify the predicted ion distribution along the capillary.
1094-4087
13279-13284
Chapman, Richard T.
8a9fe0e2-c408-4188-bf10-e93bf247205c
Butcher, Thomas J.
bd3117c7-d50c-48d4-8038-76217b1c0570
Horak, Peter
520489b5-ccc7-4d29-bb30-c1e36436ea03
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Frey, Jeremy G.
ba60c559-c4af-44f1-87e6-ce69819bf23f
Brocklesby, William S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67
Chapman, Richard T.
8a9fe0e2-c408-4188-bf10-e93bf247205c
Butcher, Thomas J.
bd3117c7-d50c-48d4-8038-76217b1c0570
Horak, Peter
520489b5-ccc7-4d29-bb30-c1e36436ea03
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Frey, Jeremy G.
ba60c559-c4af-44f1-87e6-ce69819bf23f
Brocklesby, William S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67

Chapman, Richard T., Butcher, Thomas J., Horak, Peter, Poletti, Francesco, Frey, Jeremy G. and Brocklesby, William S. (2010) Modal effects on pump-pulse propagation in an Ar-filled capillary. Optics Express, 18 (12), 13279-13284. (doi:10.1364/OE.18.013279). (PMID:20588457)

Record type: Article

Abstract

Accurate three-dimensional modelling of nonlinear pulse propagation within a gas-filled capillary is essential for understanding and improving the XUV yield in high harmonic generation. We introduce both a new model based on a multimode generalized nonlinear Schrödinger equation and a novel spatio-spectral measurement technique to which the model can be compared. The theory shows excellent agreement with the measured output spectrum and the spatio-spectral measurement reveals that the model correctly predicts higher order mode contributions to spectral broadening of the pulse. Fluorescence from the excited argon is used to verify the predicted ion distribution along the capillary.

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Published date: 7 June 2010
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 177557
URI: https://eprints.soton.ac.uk/id/eprint/177557
ISSN: 1094-4087
PURE UUID: fdf097fa-48a3-4426-b851-56b0dbd2ff3a
ORCID for Peter Horak: ORCID iD orcid.org/0000-0002-8710-8764
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for Jeremy G. Frey: ORCID iD orcid.org/0000-0003-0842-4302
ORCID for William S. Brocklesby: ORCID iD orcid.org/0000-0002-2123-6712

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Date deposited: 17 Mar 2011 15:22
Last modified: 20 Jul 2019 01:28

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Contributors

Author: Richard T. Chapman
Author: Thomas J. Butcher
Author: Peter Horak ORCID iD
Author: Jeremy G. Frey ORCID iD

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