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Experimental Characterization of Sub-picosecond Electron Bunch Length with Coherent Diffraction Radiation |
| XIANG Dao1,2, YANG Xing-Fan3, HUANG Wen-Hui1,2, TANG Chuan-Xiang1,2, LIN Yu-Zheng1,2, LI Wei-Hua3, PAN Qing3, LI Ming3 |
| 1Department of Engineering Physics, Tsinghua University, Beijing 1000842Key Laboratory of Particle and Radiation Imaging (Ministry of Education), Tsinghua University, Beijing 1000843Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900 |
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| Cite this article: |
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XIANG Dao, YANG Xing-Fan, HUANG Wen-Hui et al 2008 Chin. Phys. Lett. 25 2440-2443 |
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Abstract Diffraction radiation is one of the most promising candidates for electron beam diagnostics for the International Linear Collider, x-ray free electron lasers and energy recovery linac due to its non-intercepting characteristics. We report the non-intercepting measurement of sub-ps electron bunch length with coherent diffraction radiation. The bunch length is measured with a Martin--Puplett interferometer and the detailed longitudinal bunch shape is reconstructed with the Kramers--Kronig relation. The rms bunch length is found to be about 0.73ps, which confirms a successful commissioning of the bunch compressor and the interferometer.
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| Keywords:
29.27.Fh
29.27.Ac
41.75.Ht
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Received: 30 January 2008
Published: 26 June 2008
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| PACS: |
29.27.Fh
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(Beam characteristics)
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29.27.Ac
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(Beam injection and extraction)
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41.75.Ht
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(Relativistic electron and positron beams)
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