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  • Received: Jan. 7, 2019

    Accepted: Mar. 28, 2019

    Posted: Jul. 9, 2019

    Published Online: Jul. 9, 2019

    The Author Email: Zhaoying Wang (zhaoyingwang@zju.edu.cn), Qiang Lin (qlin@zju.edu.cn)

    DOI: 10.3788/COL201917.070201

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    Aopeng Xu, Delong Kong, Zhijie Fu, Zhaoying Wang, Qiang Lin. Vibration compensation of an atom gravimeter[J]. Chinese Optics Letters, 2019, 17(7): 070201

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Chinese Optics Letters, Vol. 17, Issue 7, 070201 (2019)

Vibration compensation of an atom gravimeter

Aopeng Xu1, Delong Kong1, Zhijie Fu1, Zhaoying Wang1,*, and Qiang Lin2,**

Author Affiliations

  • 1Institute of Optics, Department of Physics, Zhejiang University, Hangzhou 310027, China
  • 2Center for Optics and Optoelectronics Research, College of Science, Zhejiang University of Technology, Hangzhou 310014, China

Abstract

For most atom interferometers, the vibration isolation unit is applied to reduce vibration noise. In our experiment, instead of isolation, the vibration signals are monitored, and combining with the sensitive function, the compensation phase shift for the atom interferometer is obtained. We focus on the correction over a wide spectrum rather than on “monochromatic” frequencies. The sensitivity of the atom gravimeter can be upgraded by a factor of more than two. Furthermore, we demonstrate that the atom interferometer can still produce a good measurement result without passive vibration isolation in extremely noisy environments by using vibration compensation.