Research on Micro-Displacement Measurement Accuracy Enhancement Method Based on Ensemble NV Color Center

被引：2

作者：

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

Li, Zhonghao ^{[1
,2
,3
]}

Zhang, Hao ^{[1
,2
,3
]}

Guo, Hao ^{[1
,2
,3
]}

Shi, Ziyang ^{[1
,2
,3
]}

Ma, Zongmin ^{[1
,2
,3
]}

机构：

[1] North Univ China, Key Lab Instrument Sci & Dynam Testing, Minist Educ, Taiyuan 030051, Peoples R China

[2] Key Lab Quantum Sensing & Precis Measurement, Taiyuan 030051, Peoples R China

[3] North Univ China, Inst Instrument & Elect, Taiyuan 030051, Peoples R China

来源：

MICROMACHINES | 2023年 / 14卷 / 05期

基金：

中国国家自然科学基金;

关键词：

quantum sensing technology; nitrogen-vacancy color center; micro-displacement; magnetic flux concentrator; permanent magnet; optically detected magnetic resonance; NITROGEN-VACANCY CENTER; MAGNETIC-RESONANCE; DIAMOND; SENSOR;

D O I：

10.3390/mi14050938

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This paper builds a corresponding micro-displacement test system based on an ensemble nitrogen-vacancy (NV) color center magnetometer by combining the correlation between a magnetic flux concentrator, a permanent magnet, and micro-displacement. By comparing the measurement results obtained with and without the magnetic flux concentrator, it can be seen that the resolution of the system under the magnetic flux concentrator can reach 25 nm, which is 24 times higher than without the magnetic flux concentrator. The effectiveness of the method is proven. The above results provide a practical reference for high-precision micro-displacement detection based on the diamond ensemble.

引用

页数：9

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