Improvement on the Electron Trajectroy of Wiggler of Beijing Free Electron Laser

Huang Min; Li Yonggui; Zhuang Jiejia; Dai Lisheng; Zhao Chunnong

Chinese Physics C> 1994, Vol. 18> Issue(12) : 1137-1142

Improvement on the Electron Trajectroy of Wiggler of Beijing Free Electron Laser

Institute of High Energy Physics,Academia Sinica,Beijing 1000039

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Abstract：
A method is described which experimentally determines the trajectory sensitive parameter β of NdFeB rectangular magnet used for wiggler of Beijing Free Electron Laser(BFEL).The parameter β expresses the contribution of single magnetic block to electron trajectory.The magnetic blocks are chosen and optimized according to their β values, and the deviation of electron trajectory in the wiggler can be improved.

References

[1]	W.B.Colsou,Phys.of Quant.Elec.5（1978）157.[2]黄敏等，高能物理与核物理，15（1991）776.[3]StephenV.Benson et al,Nucl.Instr.and Meth,A272（1988）10.[4]P.W.vanAmersfoort et al,Nucl.Instr.and Meth,A304（1991）163.[5]P.Bourgeois, et al,Nucl.Instr.and Meth,A301（1991）150.[6]L.R.Eliasetal,SPIE,453（1984）160.

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Huang Min, Li Yonggui, Zhuang Jiejia, Dai Lisheng and Zhao Chunnong. Improvement on the Electron Trajectroy of Wiggler of Beijing Free Electron Laser[J]. Chinese Physics C, 1994, 18(12): 1137-1142.

Huang Min, Li Yonggui, Zhuang Jiejia, Dai Lisheng and Zhao Chunnong. Improvement on the Electron Trajectroy of Wiggler of Beijing Free Electron Laser[J]. Chinese Physics C, 1994, 18(12): 1137-1142. shu

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Received: 1900-01-01
Revised: 1900-01-01

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