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Compact beam transport system for free-electron lasers driven by a laser plasma accelerator

Journal Article · · Physical Review Accelerators and Beams
 [1];  [2];  [2];  [3]
  1. Chinese Academy of Sciences, Shanghai (China); Univ. of Chinese Academy of Sciences, Beijing (China); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Chinese Academy of Sciences, Shanghai (China)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
Utilizing laser-driven plasma accelerators (LPAs) as a high-quality electron beam source is a promising approach to significantly downsize the x-ray free-electron laser (XFEL) facility. A multi-GeV LPA beam can be generated in several-centimeter acceleration distance, with a high peak current and a low transverse emittance, which will considerably benefit a compact FEL design. However, the large initial angular divergence and energy spread make it challenging to transport the beam and realize FEL radiation. In this paper, a novel design of beam transport system is proposed to maintain the superior features of the LPA beam and a transverse gradient undulator (TGU) is also adopted as an effective energy spread compensator to generate high-brilliance FEL radiation. As a result, theoretical analysis and numerical simulations are presented based on a demonstration experiment with an electron energy of 380 MeV and a radiation wavelength of 30 nm.
Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1369473
Journal Information:
Physical Review Accelerators and Beams, Journal Name: Physical Review Accelerators and Beams Journal Issue: 2 Vol. 20; ISSN 2469-9888; ISSN PRABCJ
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

Tunable High Spatio-Spectral Purity Undulator Radiation from a Transported Laser Plasma Accelerated Electron Beam journal December 2019
COXINEL transport of laser plasma accelerated electrons journal January 2020
Skew Quadrupole Effect of Laser Plasma Electron Beam Transport journal June 2019
Permanent Magnet-Based Quadrupoles for Plasma Acceleration Sources journal April 2019
Electron Beam Brightness and Undulator Radiation Brilliance for a Laser Plasma Acceleration Based Free Electron Laser journal January 2020

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