Influence of SXFEL resistive wall wakefield on beam phase space distortion

Gong Youwei; Cheng Wencai; Zhao Minghua; Li Xuan; Gu Duan; Zhang Meng

doi:10.11884/HPLPB202234.210491

Volume 34 Issue 6

Apr. 2022

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Gong Youwei, Cheng Wencai, Zhao Minghua, et al. Influence of SXFEL resistive wall wakefield on beam phase space distortion[J]. High Power Laser and Particle Beams, 2022, 34: 064007. doi: 10.11884/HPLPB202234.210491

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Gong Youwei, Cheng Wencai, Zhao Minghua, et al. Influence of SXFEL resistive wall wakefield on beam phase space distortion[J]. High Power Laser and Particle Beams, 2022, 34: 064007. doi: 10.11884/HPLPB202234.210491

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Influence of SXFEL resistive wall wakefield on beam phase space distortion

doi: 10.11884/HPLPB202234.210491

Gong Youwei^{1, 2
,},
Cheng Wencai^{1, 2},
Zhao Minghua¹,
Li Xuan³,
Gu Duan³,
Zhang Meng^{3
,
,}

1.
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China

More Information

Author Bio:
Gong Youwei, gongyouwei@sinap.ac.cn
Corresponding author: Zhang Meng, zhangmeng@zjlab.org.cn
Received Date: 2021-11-16
Rev Recd Date: 2022-03-23

Available Online: 2022-03-28

Publish Date: 2022-06-15

Abstract

Abstract

X-ray free-electron laser (XFEL), due to its ultra-high brightness, ultra-short pulse and other characteristics, has been built worldwide. Based on the theory of wakefield, we calculate the resistive wall wakefield from the linear accelerator (linac) exit to the end of the undulator in Shanghai X-ray free electron laser (SXFEL) with bunch traveling through the 245 m stainless steel transfer line and copper beamline in undulator. Then we analyze the resistive wall wakefields which eventually lead to the distortion of the longitudinal phase space within the bunch. Finally, the theoretical predictions of influence of resistive wall wakefield are compared with experiment results on SXFEL, which shows great agreement. The detailed research provides a direction for subsequent FEL optimization.
- SXFEL,
- longitudinal phase space,
- resistive wall wakefield,
- energy distribution distortion

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References(16)

References

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