Design of a MeV ultra-fast electron diffraction experiment at Tsinghua university

LI Ren-Kai; TANG Chuan-Xiang; HUANG Wen-Hui; DU Ying-Chao; SHI Jia-Ru; YAN Li-Xin

doi:10.1088/1674-1137/33/S2/043

Chinese Physics C> 2009, Vol. 33> Issue(S2) : 165-167 DOI: 10.1088/1674-1137/33/S2/043

Design of a MeV ultra-fast electron diffraction experiment at Tsinghua university

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Abstract：
Time-resolved MeV ultra-fast electron diffraction (UED) is a powerful tool for structure dynamics studies. In this paper, we present a design of a MeV UED facility based on a photocathode RF gun at Tsinghua University. Electron beam qualities are optimized with numerical simulations, indicating that resolutions of 250 fs and 0.01 AA, and bunch charge exceeding 10⁵ electrons are expected with technically achievable machine parameters. Status of experiment preparation is also presented.

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LI Ren-Kai, TANG Chuan-Xiang, HUANG Wen-Hui, DU Ying-Chao, SHI Jia-Ru and YAN Li-Xin. Design of a MeV ultra-fast electron diffraction experiment at Tsinghua university[J]. Chinese Physics C, 2009, 33(S2): 165-167. doi: 10.1088/1674-1137/33/S2/043

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Received: 2009-01-05
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Design of a MeV ultra-fast electron diffraction experiment at Tsinghua university

Corresponding author: TANG Chuan-Xiang,

Received Date: 2009-01-05

Accepted Date: 1900-01-01

Available Online: 2009-01-08

Abstract:

Time-resolved MeV ultra-fast electron diffraction (UED) is a powerful tool for structure dynamics studies. In this paper, we present a design of a MeV UED facility based on a photocathode RF gun at Tsinghua University. Electron beam qualities are optimized with numerical simulations, indicating that resolutions of 250 fs and 0.01 AA, and bunch charge exceeding 10⁵ electrons are expected with technically achievable machine parameters. Status of experiment preparation is also presented.

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Design of a MeV ultra-fast electron diffraction experiment at Tsinghua university

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