Continuous Dynamic Rotation Measurements Using a Compact Cold Atom Gyroscope
Zhan-Wei Yao1,2 , Si-Bin Lu1,2,3 , Run-Bing Li1,2** , Kai Wang1,2,3 , Lei Cao1,2,3 , Jin Wang1,2** , Ming-Sheng Zhan1,2**
1 State Key Laboratory of Magnetic Resonance ad Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 4300712 Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 4300713 University of Chinese Academy of Sciences, Beijing 100049
Abstract :We present an experimental demonstration of the rotation measurement using a compact cold atom gyroscope. Atom interference fringes are observed in the stationary frame and the rotating frame, respectively. The phase shift and contrast of the interference fringe are experimentally investigated. The results show that the contrast of the interference fringe is well held when the platform is rotated, and the phase shift of the interference fringe is linearly proportional to the rotation rate of the platform. The long-term stability, which is evaluated by the overlapped Allan deviation, is $8.5\times10^{-6}$ rad/s over the integrating time of 1000 s.
收稿日期: 2016-03-28
出版日期: 2016-08-31
:
37.25.+k
(Atom interferometry techniques)
06.30.Gv
(Velocity, acceleration, and rotation)
03.75.Dg
(Atom and neutron interferometry)
引用本文:
. [J]. 中国物理快报, 2016, 33(08): 83701-083701.
Zhan-Wei Yao, Si-Bin Lu, Run-Bing Li, Kai Wang, Lei Cao, Jin Wang, Ming-Sheng Zhan. Continuous Dynamic Rotation Measurements Using a Compact Cold Atom Gyroscope. Chin. Phys. Lett., 2016, 33(08): 83701-083701.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/33/8/083701
或
https://cpl.iphy.ac.cn/CN/Y2016/V33/I08/83701
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