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Coulomb interaction-induced jitter amplification in RF-compressed high-brightness electron source ultrafast electron diffraction
Qi, Yingpeng; Pei, Minjie; Qi, Dalong; Li, Jing; Yang, Yan; Jia, Tianqing; Zhang, Shian; Sun, Zhenrong; yangyan@siom.ac.cn; zrsun@phy.ecnu.edu.cn
2017
Source PublicationNew J. Phys.
Volume19
AbstractWe have theoretically and experimentally demonstrated an RF compression-based jitter-amplification effect in high-brightness electron source ultrafast electron diffraction (UED), which degrades the temporal resolution significantly. A detailed analysis and simulations reveal the crucial role of the longitudinal and transverse Coulomb interaction for this jitter-amplification effect, which accord very well with experimental results. An optimized compact UED structure for full compression has been proposed, which can suppress the jitter by half and improve the temporal resolution to sub-100 fs. This Coulomb interaction-induced jitter amplification exists in nearly the whole ultrafast physics field where laser-electron synchronization is required. Moreover, it cannot be suppressed completely. The quantified explanation for the mechanism and optimization provides important guidance for photocathode accelerators and other compression-based ultrashort electron pulse generation and precise control.
SubtypeArticle
Department强光
DOI10.1088/1367-2630/aa59ad
Funding OrganizationNational Natural Science Fund [51132004, 11474096]; Shanghai Municipal Science and Technology Commission [14JC1401500] ; National Natural Science Fund [51132004, 11474096]; Shanghai Municipal Science and Technology Commission [14JC1401500] ; National Natural Science Fund [51132004, 11474096]; Shanghai Municipal Science and Technology Commission [14JC1401500] ; National Natural Science Fund [51132004, 11474096]; Shanghai Municipal Science and Technology Commission [14JC1401500]
Indexed BySCI
Funding OrganizationNational Natural Science Fund [51132004, 11474096]; Shanghai Municipal Science and Technology Commission [14JC1401500] ; National Natural Science Fund [51132004, 11474096]; Shanghai Municipal Science and Technology Commission [14JC1401500] ; National Natural Science Fund [51132004, 11474096]; Shanghai Municipal Science and Technology Commission [14JC1401500] ; National Natural Science Fund [51132004, 11474096]; Shanghai Municipal Science and Technology Commission [14JC1401500]
WOS IDWOS:000405917800001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/28572
Collection强场激光物理国家重点实验室
Corresponding Authoryangyan@siom.ac.cn; zrsun@phy.ecnu.edu.cn
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
GB/T 7714
Qi, Yingpeng,Pei, Minjie,Qi, Dalong,et al. Coulomb interaction-induced jitter amplification in RF-compressed high-brightness electron source ultrafast electron diffraction[J]. New J. Phys.,2017,19.
APA Qi, Yingpeng.,Pei, Minjie.,Qi, Dalong.,Li, Jing.,Yang, Yan.,...&zrsun@phy.ecnu.edu.cn.(2017).Coulomb interaction-induced jitter amplification in RF-compressed high-brightness electron source ultrafast electron diffraction.New J. Phys.,19.
MLA Qi, Yingpeng,et al."Coulomb interaction-induced jitter amplification in RF-compressed high-brightness electron source ultrafast electron diffraction".New J. Phys. 19(2017).
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