Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2017, Vol. 28 ›› Issue (3): 28 doi: 10.1007/s41365-017-0188-9

• SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS • Previous Articles     Next Articles

Generation of double pulses at the Shanghai soft X-ray free electron laser facility

Zhen Wang 1,2,3  Chao Feng 1,2  Qiang Gu 1,2  Li-Hua Yu 4  Zhen-Tang Zhao 1,2,3   

  1. 1 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
    2 Shanghai Sciences Research Center, Chinese Academy of Sciences, Shanghai 201204, China
    3 Graduate University of Chinese Academy of Sciences, Beijing 100049, China
    4 National Synchrotron Light Source, Brookhaven National Laboratory, Upton, NY 11973, USA
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Zhen Wang, Chao Feng, Qiang Gu, Li-Hua Yu, Zhen-Tang Zhao. Generation of double pulses at the Shanghai soft X-ray free electron laser facility.Nuclear Science and Techniques, 2017, 28(3): 28     doi: 10.1007/s41365-017-0188-9
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Abstract:

In this article, we present the promise of a new method generating double electron pulses in picosecondscale pulse length and tunable interpulse spacing at several picoseconds. This has witnessed an impressive potential of application in pump–probe techniques, two-color X-ray free electron laser, high-gradient witness bunch acceleration in a plasma, etc. Three-dimensional simulations are carried out to analyze the dynamic of the electron beam in a linear accelerator. Comparisons are made between the new method and existing ways.

Key words: Free electron laser, Double pulses, SXFEL