Simultaneous wide-field imaging of phase and magnitude of AC magnetic signal using diamond quantum magnetometry

被引：27
|
作者：
Mizuno, Kosuke [1 ]
Ishiwata, Hitoshi [1 ,2 ]
Masuyama, Yuta [3 ]
Iwasaki, Takayuki [1 ]
Hatano, Mutsuko [1 ]
机构：
[1] Tokyo Inst Technol, Sch Engn, Dept Elect & Elect Engn, Meguro Ku, 2-12-1 Ookayama, Tokyo 1528550, Japan
[2] Japan Sci & Technol Agcy, PRESTO, Chiyoda Ku, 7 Gobancho, Tokyo 1020076, Japan
[3] Natl Inst Quantum & Radiol Sci & Technol, 1233 Watanuki, Takasaki, Gunma 3701292, Japan
来源：
SCIENTIFIC REPORTS | 2020年 / 10卷 / 01期
关键词：
D O I：
10.1038/s41598-020-68404-5
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Spectroscopic analysis of AC magnetic signal using diamond quantum magnetometry is a promising technique for inductive imaging. Conventional dynamic decoupling like XY8 provides a high sensitivity of an oscillating magnetic signal with intricate dependence on magnitude and phase, complicating high throughput detection of each parameter. In this study, a simple measurement scheme for independent and simultaneous detection of magnitude and phase is demonstrated by a sequential measurement protocol. Wide-field imaging experiment was performed for an oscillating magnetic field with approximately 100 mu m-squared observation area. Single pixel phase precision was 2.1 degrees for 0.76 mu T AC magnetic signal. Our method enables potential applications including inductive inspection and impedance imaging.
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收藏
页数：10
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