Laser beam profile analysis of a hole coupled free-electron laser

Laser beam profile analysis of a hole coupled free-electron laser

We present measurements and numerical simulations of the laser beam transverse profile of the CLIO infrared free-electron laser (FEL). This FEL uses a hole coupling extraction system, which introduces important perturbation on the intracavity optical mode. We show that this intracavity mode tends to...

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Main Authors: R. Prazeres, J.-P. Berthet, F. Glotin, J.-M. Ortega, B. Biswas, U. Kale
Format: Article
Language:English
Published: American Physical Society 2010-09-01
Series:Physical Review Special Topics. Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevSTAB.13.090702
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spelling doaj-51236a2d40f44ee893e2746c6e505ef92020-11-25T02:46:35ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022010-09-0113909070210.1103/PhysRevSTAB.13.090702Laser beam profile analysis of a hole coupled free-electron laserR. PrazeresJ.-P. BerthetF. GlotinJ.-M. OrtegaB. BiswasU. KaleWe present measurements and numerical simulations of the laser beam transverse profile of the CLIO infrared free-electron laser (FEL). This FEL uses a hole coupling extraction system, which introduces important perturbation on the intracavity optical mode. We show that this intracavity mode tends to avoid the extraction hole and that the output power optimization leads to an off-axis laser alignment inside the FEL cavity.http://doi.org/10.1103/PhysRevSTAB.13.090702
collection DOAJ
language English
format Article
sources DOAJ
author R. Prazeres
J.-P. Berthet
F. Glotin
J.-M. Ortega
B. Biswas
U. Kale
spellingShingle R. Prazeres
J.-P. Berthet
F. Glotin
J.-M. Ortega
B. Biswas
U. Kale
Laser beam profile analysis of a hole coupled free-electron laser
Physical Review Special Topics. Accelerators and Beams
author_facet R. Prazeres
J.-P. Berthet
F. Glotin
J.-M. Ortega
B. Biswas
U. Kale
author_sort R. Prazeres
title Laser beam profile analysis of a hole coupled free-electron laser
title_short Laser beam profile analysis of a hole coupled free-electron laser
title_full Laser beam profile analysis of a hole coupled free-electron laser
title_fullStr Laser beam profile analysis of a hole coupled free-electron laser
title_full_unstemmed Laser beam profile analysis of a hole coupled free-electron laser
title_sort laser beam profile analysis of a hole coupled free-electron laser
publisher American Physical Society
series Physical Review Special Topics. Accelerators and Beams
issn 1098-4402
publishDate 2010-09-01
description We present measurements and numerical simulations of the laser beam transverse profile of the CLIO infrared free-electron laser (FEL). This FEL uses a hole coupling extraction system, which introduces important perturbation on the intracavity optical mode. We show that this intracavity mode tends to avoid the extraction hole and that the output power optimization leads to an off-axis laser alignment inside the FEL cavity.
url http://doi.org/10.1103/PhysRevSTAB.13.090702
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AT jpberthet laserbeamprofileanalysisofaholecoupledfreeelectronlaser
AT fglotin laserbeamprofileanalysisofaholecoupledfreeelectronlaser
AT jmortega laserbeamprofileanalysisofaholecoupledfreeelectronlaser
AT bbiswas laserbeamprofileanalysisofaholecoupledfreeelectronlaser
AT ukale laserbeamprofileanalysisofaholecoupledfreeelectronlaser
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