High-energy laser-pulse self-compression in short gas-filled fibers
High-energy laser-pulse self-compression in short gas-filled fibers
We examine the spatiotemporal compression of energetic femtosecond laser pulses within short gas-filled fibers. The study is undertaken using an advanced nonlinear pulse propagation model based on a multimode generalized nonlinear Schrödinger equation that has been modified to include plasma effects. Plasma defocusing and linear propagation effects are shown to be the dominant processes within a highly dynamical mechanism that enables 100-fs pulses to be compressed into the few-cycle regime after <50 mm of propagation. Once the mechanism has been introduced, parameter spaces are explored and compressor designs suitable for performing high-field experiments in situ are presented. We finish by showing how these designs may be extended to novel wavelengths and driving pulses delivered by state-of-the-art high-repetition-rate lasers.
13819
Anderson, P.N.
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Horak, P.
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Frey, J.G.
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Brocklesby, W.S.
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16 January 2014
Anderson, P.N.
0d00519b-0535-4414-8f16-588ce79430bf
Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03
Frey, J.G.
ba60c559-c4af-44f1-87e6-ce69819bf23f
Brocklesby, W.S.
c53ca2f6-db65-4e19-ad00-eebeb2e6de67
Anderson, P.N., Horak, P., Frey, J.G. and Brocklesby, W.S.
(2014)
High-energy laser-pulse self-compression in short gas-filled fibers.
Physical Review A, 89 (1), .
(doi:10.1103/PhysRevA.89.013819).
Abstract
We examine the spatiotemporal compression of energetic femtosecond laser pulses within short gas-filled fibers. The study is undertaken using an advanced nonlinear pulse propagation model based on a multimode generalized nonlinear Schrödinger equation that has been modified to include plasma effects. Plasma defocusing and linear propagation effects are shown to be the dominant processes within a highly dynamical mechanism that enables 100-fs pulses to be compressed into the few-cycle regime after <50 mm of propagation. Once the mechanism has been introduced, parameter spaces are explored and compressor designs suitable for performing high-field experiments in situ are presented. We finish by showing how these designs may be extended to novel wavelengths and driving pulses delivered by state-of-the-art high-repetition-rate lasers.
Text
final_draft_PNA.pdf
- Accepted Manuscript
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Published date: 16 January 2014
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 361511
URI: http://eprints.soton.ac.uk/id/eprint/361511
ISSN: 1050-2947
PURE UUID: e5fd61cc-fe72-4463-9d29-e91073e6fd13
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Date deposited: 23 Jan 2014 15:47
Last modified: 15 Mar 2024 03:13
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Author:
P.N. Anderson
Author:
P. Horak
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