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Velocity-tunable cold Cs atomic beam from a magneto-optical trap

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Abstract

The construction of a two-dimensional magneto–optical trap with hollow cooling and pushing (2D-HP MOT) is reported in detail, and a velocity-tunable cold atomic beam produced by this 2D-HP MOT is demonstrated. The magneto–optical trap system, which is constructed by a transparent quartz tube, is low in price, easy to fabricate and assemble, and convenient for atomic trapping and detection. The mean axial velocity of the cold atomic beam can be tuned from 4.5 to 8 m/s, while the atomic flux remains at a level of 1010 atoms/s. This cold atomic beam source can be applied in the areas of high-precision measurements based on cold atoms.

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DOI:10.3788/col201715.040202

所属栏目:Atomic and molecular physics

收稿日期:2016-10-18

录用日期:2016-12-23

网络出版日期:2017-02-14

作者单位    点击查看

Xueshu Yan:Department of Precision Instruments, Tsinghua University, Beijing 1 00084, ChinaState Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, ChinaJoint Institute for Measurement Science (JMI), Tsinghua University, Beijing 100084 , China
Chenfei Wu:Department of Physics, Tsinghua University, Beijing 100084, ChinaJoint Institute for Measurement Science (JMI), Tsinghua University, Beijing 100084 , China
Jiaqiang Huang:Department of Physics, Tsinghua University, Beijing 100084, ChinaJoint Institute for Measurement Science (JMI), Tsinghua University, Beijing 100084 , China
Jianwei Zhang:Department of Precision Instruments, Tsinghua University, Beijing 1 00084, ChinaState Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, ChinaJoint Institute for Measurement Science (JMI), Tsinghua University, Beijing 100084 , China
and Lijun Wang:Department of Precision Instruments, Tsinghua University, Beijing 1 00084, ChinaState Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, ChinaDepartment of Physics, Tsinghua University, Beijing 100084, ChinaJoint Institute for Measurement Science (JMI), Tsinghua University, Beijing 100084 , China

联系人作者:联系作者(lwan@tsinghua.edu.cn)

备注:This work was supported by the National Natural Science Foundation of China under Grant No. 11304177. The authors especially acknowledge Yanying Feng and Chi Xu for the helpful discussions.

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引用该论文

Xueshu Yan, Chenfei Wu, Jiaqiang Huang, Jianwei Zhang, and Lijun Wang, "Velocity-tunable cold Cs atomic beam from a magneto-optical trap," Chinese Optics Letters 15(4), 040202 (2017)

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