Analysis on the Magnetic Field Response for Nuclear Spin Co-Magnetometer Operated in Spin-Exchange Relaxation-Free Regime

被引：51

作者：

Fan, Wenfeng ^{[1
]}

Quan, Wei ^{[1
,2
,3
,4
]}

Zhang, Weijia ^{[1
]}

Xing, Li ^{[1
]}

Liu, Gang ^{[1
,2
,3
]}

机构：

[1] Beihang Univ, Sch Instrumentat & Optoelect Engn, Beijing 100191, Peoples R China

[2] Beihang Univ, Innovat Res Inst Frontier Sci & Technol, Beijing 100191, Peoples R China

[3] Beihang Univ, Adv Innovat Ctr Biomed Engn, Beijing 100191, Peoples R China

[4] Beijing Acad Quantum Informat Sci, Beijing 100191, Peoples R China

来源：

IEEE ACCESS | 2019年 / 7卷

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Nuclear spin co-magnetometer; SERF; magnetic response model; magnetic noise induced error;

D O I：

10.1109/ACCESS.2019.2902181

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A nuclear spin co-magnetometer operated in the spin-exchange relaxation-free (SERF) regime is a promising tool for long-term navigation application for its abilities to sense inertial rotation and to suppress environmental magnetic field disturbance. The magnetic field response model of a K-Rb-(21) Ne nuclear spin co-magnetometer is derived based on the state space method and the model is experimentally validated on a tabletop SERF co-magnetometer. The theoretical and experimental results indicate that the relaxation rate of the nuclear spins limits the field-suppression ability. The results here not only give insight into the nature of self-compensate characteristic but also provide a precise model for the estimation of the magnetic noise-induced rotation measurement error in a SERF co-magnetometer.

引用

页码：28574 / 28580

页数：7

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