Note: A three-dimension active vibration isolator for precision atom gravimeters

Min Kang Zhou; Xin Xiong; Le Le Chen; Jia Feng Cui; Xiao Chun Duan; Zhong Kun Hu

doi:10.1063/1.4919292

Note: A three-dimension active vibration isolator for precision atom gravimeters

Min Kang Zhou, Xin Xiong, Le Le Chen, Jia Feng Cui, Xiao Chun Duan, Zhong Kun Hu

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

An ultra-low frequency active vibration isolator, simultaneously suppressing three-dimensional vibration noise, is demonstrated experimentally. The equivalent natural period of the isolator is 100 s and 12 s for the vertical and horizontal direction, respectively. The vibration noise in the vertical direction is about 50 times reduced during 0.2 and 2 Hz, and 5 times reduced in the other two orthogonal directions in the same frequency range. This isolator is designed for atom gravimeters, especially suitable for the gravimeter whose sensitivity is limited by vibration couplings.

Original language	English
Article number	046108
Journal	Review of Scientific Instruments
Volume	86
Issue number	4
DOIs	https://doi.org/10.1063/1.4919292
State	Published - Apr 1 2015
Externally published	Yes

Funding

Funders	Funder number
National Natural Science Foundation of China	11474115, 11205064, 11204094, 41127002

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10.1063/1.4919292

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title = "Note: A three-dimension active vibration isolator for precision atom gravimeters",

abstract = "An ultra-low frequency active vibration isolator, simultaneously suppressing three-dimensional vibration noise, is demonstrated experimentally. The equivalent natural period of the isolator is 100 s and 12 s for the vertical and horizontal direction, respectively. The vibration noise in the vertical direction is about 50 times reduced during 0.2 and 2 Hz, and 5 times reduced in the other two orthogonal directions in the same frequency range. This isolator is designed for atom gravimeters, especially suitable for the gravimeter whose sensitivity is limited by vibration couplings.",

author = "Zhou, {Min Kang} and Xin Xiong and Chen, {Le Le} and Cui, {Jia Feng} and Duan, {Xiao Chun} and Hu, {Zhong Kun}",

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AU - Zhou, Min Kang

AU - Xiong, Xin

AU - Chen, Le Le

AU - Cui, Jia Feng

AU - Duan, Xiao Chun

AU - Hu, Zhong Kun

PY - 2015/4/1

Y1 - 2015/4/1

N2 - An ultra-low frequency active vibration isolator, simultaneously suppressing three-dimensional vibration noise, is demonstrated experimentally. The equivalent natural period of the isolator is 100 s and 12 s for the vertical and horizontal direction, respectively. The vibration noise in the vertical direction is about 50 times reduced during 0.2 and 2 Hz, and 5 times reduced in the other two orthogonal directions in the same frequency range. This isolator is designed for atom gravimeters, especially suitable for the gravimeter whose sensitivity is limited by vibration couplings.

AB - An ultra-low frequency active vibration isolator, simultaneously suppressing three-dimensional vibration noise, is demonstrated experimentally. The equivalent natural period of the isolator is 100 s and 12 s for the vertical and horizontal direction, respectively. The vibration noise in the vertical direction is about 50 times reduced during 0.2 and 2 Hz, and 5 times reduced in the other two orthogonal directions in the same frequency range. This isolator is designed for atom gravimeters, especially suitable for the gravimeter whose sensitivity is limited by vibration couplings.

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Note: A three-dimension active vibration isolator for precision atom gravimeters

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