Journal Article Frequency modulation technique for wide-field imaging of magnetic field with nitrogen-vacancy ensembles

Miura, Yukihiro  ,  Kashiwaya, Satoshi  ,  Nomura, Shintaro

56 ( 4S )  , p.04CK03 , 2017-04 , The Japan Society of Applied Physics
We report on the application of a frequency modulation technique to wide-field magnetic field imaging of nitrogen-vacancy centers in diamond at room temperature. We use a scientific CMOS (sCMOS) camera to collect photoluminescence images from a large number of nitrogen-vacancy center ensembles in parallel. This technique allows a significant reduction in the measurement time required to obtain a magnetic field image compared with a scanning probe approach at a comparable magnetic field sensitivity.

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