Towards precise diagnosis time profile of ultrafast electron bunch trains using orthogonal terahertz streak camera

Ultrafast electron microbunch trains have broad applications in which the individual bunch length and the bunch-to-bunch interval are critical parameters that need to be precisely diagnosed. However, directly measuring these parameters remains challenging. This paper presents an all-optical method t...

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Published inOptics express Vol. 31; no. 12; pp. 19777 - 19793
Main Authors Xu, Yang, Song, Yifang, Tsai, Cheng-Ying, Wang, Jian, Liu, Zhengzheng, Qi, Hong, Fan, Kuanjun, Yang, Jinfeng, Meshkov, O I
Format Journal Article
LanguageEnglish
Published United States 05.06.2023
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Summary:Ultrafast electron microbunch trains have broad applications in which the individual bunch length and the bunch-to-bunch interval are critical parameters that need to be precisely diagnosed. However, directly measuring these parameters remains challenging. This paper presents an all-optical method that simultaneously measures the individual bunch length and the bunch-to-bunch spacing through an orthogonal THz-driven streak camera. For a 3 MeV electron bunch train, the simulation indicates that the temporal resolution of individual bunch length and the bunch-to-bunch spacing is 2.5 fs and 1 fs, respectively. Through this method, we expect to open a new chapter in the temporal diagnostic of electron bunch trains.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.488132