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ELSEVIER
DOI: 10.1016/j.nima.2021.166038
Keywords
Synchronization; X-ray single-pulse; Delay; Jitter; Synchrotron radiation
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Funding
- National Natural Science Foundation of China [U1832172]
- Shanghai Municipal Science and Technol-ogy Major Project, China [2017SHDZX02]
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This study utilized a timing synchronization control system to accurately acquire the temporal characteristics of a single X-ray pulse at low photon intensity, revealing a Gaussian distribution of pulse intensity and a jitter of approximately 5 ps, suitable for ultrafast temporal resolution research at the SSRF.
At the Shanghai Synchrotron Radiation Facility (SSRF), ultrafast experiments require picosecond temporal resolution. Thus, understanding the jitter of a single X-ray pulse is important. In this study, a timing synchronization control system that combines a timing system, optical fiber network, and X-ray streak camera detection system were employed to accurately acquire the temporal characteristics of a single X-ray pulse at a low photon intensity(103 photons/pulse). Experimental results showed that the intensity of a single X-ray pulse is distributed as a Gaussian curve in the longitudinal direction, and the pulse jitter broadens to approximately 5 ps, which is sufficient for ultrafast temporal resolution research at the SSRF.
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