• High Power Laser and Particle Beams
  • Vol. 34, Issue 3, 031016 (2022)
Weijie Fan1、2, Chao Feng3、*, and Minghua Zhao1
Author Affiliations
  • 1Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
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    DOI: 10.11884/HPLPB202234.210262 Cite this Article
    Weijie Fan, Chao Feng, Minghua Zhao. Simulation studies of external seeding schemes for Shanghai soft X-ray free electron laser[J]. High Power Laser and Particle Beams, 2022, 34(3): 031016 Copy Citation Text show less
    Schematic layout of the SXFEL
    Fig. 1. Schematic layout of the SXFEL
    Schematic layout of the cascade EEHG-HGHG mode
    Fig. 2. Schematic layout of the cascade EEHG-HGHG mode
    Schematic layout of the single stage EEHG mode
    Fig. 3. Schematic layout of the single stage EEHG mode
    Cascade EEHG-HGHG mode FEL radiation at the exit of the first radiator
    Fig. 4. Cascade EEHG-HGHG mode FEL radiation at the exit of the first radiator
    Cascade EEHG-HGHG mode FEL radiation at the exit of the second radiator
    Fig. 5. Cascade EEHG-HGHG mode FEL radiation at the exit of the second radiator
    Single stage EEHG FEL radiation at the exit of undulator
    Fig. 6. Single stage EEHG FEL radiation at the exit of undulator
    Timing jitter and power jitter of the seed lasers in the cascade EEHG-HGHG mode
    Fig. 7. Timing jitter and power jitter of the seed lasers in the cascade EEHG-HGHG mode
    Timing jitter and power jitter of the seed lasers in the single stage EEHG mode
    Fig. 8. Timing jitter and power jitter of the seed lasers in the single stage EEHG mode
    energy/MeVpeak current/Asliced energy spread/keVnormarlized emittance/(mm mrad)
    14008001001.5
    bunch length/fspower of seed lasers/MWmudulator period numbersmudulator period length/m
    500(FWHM)200/80020/20/1000.08/0.08/0.03
    Table 1. Main parameters in the simulations
    Weijie Fan, Chao Feng, Minghua Zhao. Simulation studies of external seeding schemes for Shanghai soft X-ray free electron laser[J]. High Power Laser and Particle Beams, 2022, 34(3): 031016
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