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Development of diamond quantum magnetometer module using coplanar waveguide

雄太 増山, Y. MASUYAMA, 孝之 岩崎, Takayuki Iwasaki, 睦子 波多野, Mutsuko Hatano, Mutsuko Hatano

Published Feb 1, 2019• 0 citations
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Abstract We develop a quantum precision measurement method for magnetic field at the Tesla level by utilizing a fiber diamond magnetometer. Central to our system is a micron-sized fiber diamond probe positioned on the surface of a coplanar waveguide made of nonmagnetic materials. Calibrated with a nuclear magnetic resonance magnetometer, this probe demonstrates a broad magnetic field range from 10 mT to 1.5 T with a nonlinear error better than 0.0028% under a standard magnetic field generator and stability better than 0.0012% at a 1.5 T magnetic field. Finally, we demonstrate quantitative mapping of the vector magnetic field on the surface of a permanent magnet using the diamond magnetometer.
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