Detection of radio-frequency field with a single spin in diamond

Detection of a.c. magnetic field is consequential for many developments in physical and biological sciences, and various designs of magnetometer have been proposed recently. However, the large size of sensor and the extreme measurement conditions required strongly limit their application. It remains...

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Bibliographic Details
Published in:Science bulletin (Beijing) 2016-07, Vol.61 (14), p.1132-1137
Main Authors: Liu, Ying, Kong, Fei, Shi, Fazhan, Du, Jiangfeng
Format: Article
Language:English
Subjects:
Chemistry/Food Science
Earth Sciences
Engineering
Humanities and Social Sciences
Life Sciences
Magnetometer
multidisciplinary
Nitrogen-vacancy center
Physics
Quantum metrology
Radio-frequency field
Science
Science (multidisciplinary)
射频场
测量条件
物理科学
生物科学
电子自旋
磁场检测
空间分辨率
金刚石
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Summary:Detection of a.c. magnetic field is consequential for many developments in physical and biological sciences, and various designs of magnetometer have been proposed recently. However, the large size of sensor and the extreme measurement conditions required strongly limit their application. It remains a challenge to reconstruct the vector of a.c. field with nanoscale spatial resolution using a single spin under ambient conditions. In this work, we choose the radio-frequency (RF) field as a typical case and realize the measurement of RF field based on a nitrogen-vacancy (NV) center in diamond. We build a solid sensor through measuring the effect of RF field on NV electron spin energy levels and the transition between them. Both of the phase and amplitude (including the transverse and longitudinal components) are measured by this new approach.
ISSN:2095-9273
2095-9281
DOI:10.1007/s11434-016-1122-y