Laser assisted emittance exchange: Downsizing the x-ray free electron laser

Laser assisted emittance exchange: Downsizing the x-ray free electron laser

A technique is proposed to generate electron beam with ultralow transverse emittance through laser assisted transverse-to-longitudinal emittance exchange. In the scheme a laser operating in the TEM10 mode is used to interact with the electron beam in a dispersive region and to initiate the emittance...

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Main Author: Dao Xiang
Format: Article
Language:English
Published: American Physical Society 2010-01-01
Series:Physical Review Special Topics. Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevSTAB.13.010701
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spelling doaj-f84719cc469b4a7e9c40dae84028ed472020-11-24T21:28:00ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022010-01-0113101070110.1103/PhysRevSTAB.13.010701Laser assisted emittance exchange: Downsizing the x-ray free electron laserDao XiangA technique is proposed to generate electron beam with ultralow transverse emittance through laser assisted transverse-to-longitudinal emittance exchange. In the scheme a laser operating in the TEM10 mode is used to interact with the electron beam in a dispersive region and to initiate the emittance exchange. It is shown that with the proposed technique one can significantly downsize an x-ray free electron laser (FEL), which may greatly extend the availability of these light sources. A hard x-ray FEL operating at 1.5 Å with a saturation length within 30 meters using a 3.8 GeV electron beam is shown to be practically feasible.http://doi.org/10.1103/PhysRevSTAB.13.010701
collection DOAJ
language English
format Article
sources DOAJ
author Dao Xiang
spellingShingle Dao Xiang
Laser assisted emittance exchange: Downsizing the x-ray free electron laser
Physical Review Special Topics. Accelerators and Beams
author_facet Dao Xiang
author_sort Dao Xiang
title Laser assisted emittance exchange: Downsizing the x-ray free electron laser
title_short Laser assisted emittance exchange: Downsizing the x-ray free electron laser
title_full Laser assisted emittance exchange: Downsizing the x-ray free electron laser
title_fullStr Laser assisted emittance exchange: Downsizing the x-ray free electron laser
title_full_unstemmed Laser assisted emittance exchange: Downsizing the x-ray free electron laser
title_sort laser assisted emittance exchange: downsizing the x-ray free electron laser
publisher American Physical Society
series Physical Review Special Topics. Accelerators and Beams
issn 1098-4402
publishDate 2010-01-01
description A technique is proposed to generate electron beam with ultralow transverse emittance through laser assisted transverse-to-longitudinal emittance exchange. In the scheme a laser operating in the TEM10 mode is used to interact with the electron beam in a dispersive region and to initiate the emittance exchange. It is shown that with the proposed technique one can significantly downsize an x-ray free electron laser (FEL), which may greatly extend the availability of these light sources. A hard x-ray FEL operating at 1.5 Å with a saturation length within 30 meters using a 3.8 GeV electron beam is shown to be practically feasible.
url http://doi.org/10.1103/PhysRevSTAB.13.010701
work_keys_str_mv AT daoxiang laserassistedemittanceexchangedownsizingthexrayfreeelectronlaser
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