Evaluation of the transportable atom gravimeter HUST-QG

被引：22

作者：

Xu, Yao-Yao ^{[1
]}

Cui, Jia-Feng ^{[1
,2
]}

Qi, Kun ^{[1
]}

Chen, Le-Le ^{[1
]}

Deng, Xiao-Bing ^{[1
]}

Luo, Qin ^{[1
]}

Zhang, Heng ^{[1
]}

Tan, Yu-Jie ^{[1
]}

Shao, Cheng-Gang ^{[1
]}

Zhou, Min-Kang ^{[1
]}

Duan, Xiao-Chun ^{[1
]}

Hu, Zhong-Kun ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Phys, Hubei Key Lab Gravitat & Quantum Phys, MOE Key Lab Fundamental Quant Measurement, Wuhan 430074, Peoples R China

[2] Indiana Univ, Bloomington, IN USA

来源：

METROLOGIA | 2022年 / 59卷 / 05期

基金：

中国国家自然科学基金;

关键词：

atom gravimeter; error evaluation; absolute gravimeter comparison; DIFFRACTION CORRECTION; GRAVITY; LASER; FIELD;

D O I：

10.1088/1681-7575/ac8258

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Atom interferometry provides an important method of high-precision absolute gravity measurement. As absolute gravimeters, various systematic errors of atom gravimeters have been identified and evaluated. Here a comprehensive evaluation of systematic errors for a transportable atom gravimeter Huazhong University of Science and Technology-Quantum Gravimeter (HUST-QG) is presented. HUST-QG exhibited a short-term sensitivity of 24 mu Gal Hz(-1/2) and a combined uncertainty of 3 mu Gal. The operation and evaluation of HUST-QG for transportable gravity measurements during the 10th International Comparison of Absolute Gravimeters are discussed. And the degree of equivalence for HUST-QG in this comparison is 1.3 mu Gal, which supports our evaluation.

引用

页数：14

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