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Tuning the velocity and flux of a low-velocity intense source of cold atomic beam
Chen, Shu; Li, Ying-Ying; Yan, Xue-Shu; Xue, Hong-Bo; Feng, Yan-Ying; Feng, YY (reprint author), Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China.
作者部门空间科学部
发表期刊CHINESE PHYSICS B
2017
卷号26期号:11页码:113703
ISSN1674-1056
语种英语
关键词Atomic Source Low-velocity Intensity Source (Lvis) Laser Cooling Light Polarization
摘要We investigate experimentally and numerically the quantitative dependence of characteristics of a low-velocity intensity source (LVIS) of atomic beam on light parameters, especially the polarization of cooling laser along the atomic beam axis (pushing beam). By changing the polarization of the pushing beam, the longitudinal mean velocity of a rubidium atomic beam can be tuned continuously from 10 to 20 m/s and the flux can range from 3 x 10(8) to 1 x 10(9) atoms/s, corresponding to the maximum sensitivity of the velocity with respect to the polarization angle of 20 (m/s)/rad and the mean sensitivity of flux of 1.2 x 10(9) (atoms/s)/rad. The mechanism is explained with a Monte-Carlo based numerical simulation method, which shows a qualitative agreement with the experimental result. This is also a demonstration of a method enabling the fast and continuous modulation of a low-velocity intense source of cold atomic beam on the velocity or flux, which can be used in many fields, like the development of a cold atomic beam interferometer and atom lithography.
收录类别SCI ; EI ; CSCD
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文献类型期刊论文
条目标识符http://ir.nssc.ac.cn/handle/122/6080
专题空间科学部
通讯作者Feng, YY (reprint author), Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China.
推荐引用方式
GB/T 7714
Chen, Shu,Li, Ying-Ying,Yan, Xue-Shu,et al. Tuning the velocity and flux of a low-velocity intense source of cold atomic beam[J]. CHINESE PHYSICS B,2017,26(11):113703.
APA Chen, Shu,Li, Ying-Ying,Yan, Xue-Shu,Xue, Hong-Bo,Feng, Yan-Ying,&Feng, YY .(2017).Tuning the velocity and flux of a low-velocity intense source of cold atomic beam.CHINESE PHYSICS B,26(11),113703.
MLA Chen, Shu,et al."Tuning the velocity and flux of a low-velocity intense source of cold atomic beam".CHINESE PHYSICS B 26.11(2017):113703.
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