• High Power Laser and Particle Beams
  • Vol. 34, Issue 3, 031019 (2022)
Lingjun Tu1、2, Chao Feng1、3、*, Xiaofan Wang4, and Zhentang Zhao1、3
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
  • 4Shenzhen Integrated Particle Facility Research Institute, Shenzhen 518000, China
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    DOI: 10.11884/HPLPB202234.210282 Cite this Article
    Lingjun Tu, Chao Feng, Xiaofan Wang, Zhentang Zhao. Simulation of generating attosecond water window band pulses by enhanced self-amplified spontaneous emission method[J]. High Power Laser and Particle Beams, 2022, 34(3): 031019 Copy Citation Text show less
    Scheme of enhanced self-amplified spontaneous emission (ESASE)
    Fig. 1. Scheme of enhanced self-amplified spontaneous emission (ESASE)
    Energy distribution of electron beam after modulation
    Fig. 2. Energy distribution of electron beam after modulation
    Current profile and energy spread at 11.3 m undulator
    Fig. 3. Current profile and energy spread at 11.3 m undulator
    Gain process in the radiator
    Fig. 4. Gain process in the radiator
    Energy spread distribution and FEL pulse profile at 11.3 m undulator
    Fig. 5. Energy spread distribution and FEL pulse profile at 11.3 m undulator
    initial beam parameters
    average energy/GeV2.5
    average current/A800
    energy spread/%0.01
    RMS of horizontal position/μm10
    RMS of horizontal momentum/(m·s−1) 1×10−6
    modulative laser parameters
    wavelength/nm2400
    maximum electric field intensity/(GV·m−1) 5
    FWHM/fs8
    wiggler & chicane parameters
    period/cm16
    period number1
    K39.27
    R56/mm0.75
    undulator parameters
    K2.75
    period/cm3
    period number532
    Table 1. Parameters for simulation
    Lingjun Tu, Chao Feng, Xiaofan Wang, Zhentang Zhao. Simulation of generating attosecond water window band pulses by enhanced self-amplified spontaneous emission method[J]. High Power Laser and Particle Beams, 2022, 34(3): 031019
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