Orientation determination of nitrogen-vacancy center in diamond using a static magnetic field

Nitrogen-vacancy (NV) centers in a bulk diamond are often employed to realize measurement of multiple physical quantities, which depends on orientation information of NV axis. We report a fast and effective method to determine the orientation of NV axis with the aid of a static magnetic field. By me...

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Veröffentlicht in:Chinese physics B 2023-07, Vol.32 (7), p.70301
Hauptverfasser: Wang, Yangpeng, Zhang, Rujian, Yang, Yan, Wu, Qin, Yu, Zhifei, Chen, Bing
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Sprache:eng
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Zusammenfassung:Nitrogen-vacancy (NV) centers in a bulk diamond are often employed to realize measurement of multiple physical quantities, which depends on orientation information of NV axis. We report a fast and effective method to determine the orientation of NV axis with the aid of a static magnetic field. By measuring the optically detected magnetic resonance spectra, we can precisely extract the polar angle information between the NV axis and the known magnetic field. Combining with the polar angle information of different kinds of NV centers, we employ the Nelder–Mead algorithm to get the optimal solution of the orientation of NV axis. This method is simple and efficient, and is easily applied in NV-based quantum sensing.
ISSN:1674-1056
DOI:10.1088/1674-1056/acc0f7