Generation of double pulses at the Shanghai soft X-ray free electron laser facility |
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| Authors: | Zhen Wang Chao Feng Qiang Gu Li-Hua Yu Zhen-Tang Zhao |
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| Affiliation: | 1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;Shanghai Sciences Research Center, Chinese Academy of Sciences, Shanghai 201204, China;Graduate University of Chinese Academy of Sciences,Beijing 100049, China;2. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;Shanghai Sciences Research Center, Chinese Academy of Sciences, Shanghai 201204, China;3. National Synchrotron Light Source, Brookhaven National Laboratory, Upton, NY 11973, USA |
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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. |
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| Keywords: | Free electron laser Double pulses SXFEL |
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