Acta Photonica Sinica, Volume. 51, Issue 10, 1014008(2022)
Free Electron Laser Undulator Based on Grating Structure（Invited）
Figures & Tables(7)
Fig. 1. The electron beam trajectory in undulator and micro-undulartor
Fig. 5. Distribution of electron beam energy and variation of beam energy vs.Z position
Table 1. Parameter of laser and grating
View tableView in ArticleTable 1. Parameter of laser and grating
Parameter Value Note Parameter Value Note λ 1 500 nm Wavelength of laser τ 100 fs Pulse length n 3.5 Refractive index m 2 Integer h λ/4 Distance between beam and grating surface H λ/2 High of grating 4d λ Constrain of grating W 3λ/7 Thickness of substrate
Table 2. Parameter of particle tracking
View tableView in ArticleTable 2. Parameter of particle tracking
Parameter Value Note Parameter Value Note E0 10 MeV Average initial energy of electron beam E 800 MV/m Laser amplitude γ0 20.57 Lorentz factor of initial beam γ 20.185 Lorentz factor of final beam L 9 μm Undulator length Distribution uniformm Distribution of initial bunch
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Hongxiang LIN, Xiaohui WEI, Tianfa LIAO, Wenyuan WANG, Juan DU, Mingliang YANG. Free Electron Laser Undulator Based on Grating Structure（Invited）[J]. Acta Photonica Sinica, 2022, 51(10): 1014008
Paper Information
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Received: Jun. 10, 2022
Accepted: Sep. 6, 2022
Published Online: Nov. 30, 2022
The Author Email: Xiaohui WEI (weixh0509@hzu.edu.cn)
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