Compact High-Resolution Absolute-Gravity Gradiometer Based on Atom Interferometers

@article{Lyu2022CompactHA,
  title={Compact High-Resolution Absolute-Gravity Gradiometer Based on Atom Interferometers},
  author={Wei-Liang Lyu and Jia-qi Zhong and Xiaowei Zhang and Wu Liu and Lei Zhu and Wei Xu and Xiangshan Chen and Biao Tang and Jin Wang and Ming-Sheng Zhan},
  journal={Physical Review Applied},
  year={2022}
}
Wei Lyu, 2 Jia-Qi Zhong, ∗ Xiao-Wei Zhang, Wu Liu, 2 Lei Zhu, Wei-Hao Xu, 2 Xi Chen, Biao Tang, Jin Wang, 3, † and Ming-Sheng Zhan 3, ‡ State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China Wuhan Institute of Quantum Technology, Wuhan 430206, China (Dated… 
View PDF on arXiv
1 Citations
Background Citations
1

One Citation

Quantum gravimetry going toward real applications

References

SHOWING 1-10 OF 33 REFERENCES

Location-dependent Raman transition in gravity-gradient measurements using dual atom interferometers

Yuping Wang,1,2,3 Jiaqi Zhong,1,4,* Hongwei Song,1,5 Lei Zhu,1,3 Yimin Li,1,3 Xi Chen,1,4 Runbing Li,1,4 Jin Wang,1,4,† and Mingsheng Zhan1,4 1State Key Laboratory of Magnetic Resonance and Atomic…

Sensitive gravity-gradiometry with atom interferometry: progress towards an improved determination of the gravitational constant

We present here the current status of our high-sensitivity gravity-gradiometer based on atom interferometry. In our apparatus, two clouds of laser-cooled rubidium atoms are launched in a fountain…

Participation in the absolute gravity comparison with a compact cold atom gravimeter

The first Asia-Pacific Comparison of Absolute Gravimeters (APMP.M.G-K1) was organized by the National Institute of Metrology (NIM) of China from December 21, 2015 to March 25, 2016 in Changping,…

Sensitivity limits of a Raman atom interferometer as a gravity gradiometer

We evaluate the sensitivity of a dual cloud atom interferometer to the measurement of vertical gravity gradient. We study the influence of most relevant experimental parameters on noise and long-term…

A dual-magneto-optical-trap atom gravity gradiometer for determining the Newtonian gravitational constant.

The design of the G measurement by atom interferometry is detailed, the experimental setup of the atom gravity gradiometer is reported, and a preliminary sensitivity of 3 × 10-9 g/Hz to differential gravity acceleration is obtained.

Realization of a compact one-seed laser system for atom interferometer-based gravimeters.

This work designs and realizes a simple fiber bench-based 780-nm laser system used for 85Rb AI-based gravimeters, and a best gravity measurement sensitivity of 230 μGal/Hz1/2 is achieved.

Accuracy and stability evaluation of the 85Rb atom gravimeter WAG-H5-1 at the 2017 International Comparison of Absolute Gravimeters

We report on the realization and evaluation of the 85Rb mobile atom absolute gravimeter named WAG-H5-1. With a distinctive Raman laser implementation, two new systematic errors, ac Stark shift…

Compact differential gravimeter at the quantum projection-noise limit

Atom interferometry offers new perspectives for geophysics and inertial sensing. We present the industrial prototype of a new type of quantum-based instrument: a compact, transportable, differential…

Atom Interferometer Measurement of the Newtonian Constant of Gravity

The Newtonian constant of gravity is measured using a gravity gradiometer based on atom interferometry using the differential acceleration of two samples of laser-cooled Cs atoms to investigate the change in gravitational field when a well-characterized Pb mass is displaced.

Shift evaluation of the atomic gravimeter NIM-AGRb-1 and its comparison with FG5X

A mobile atomic absolute gravimeter NIM-AGRb-1 based on light-pulse atom interferometer has been built, evaluated by the National Institute of Metrology (NIM) China, and participated in the pilot…