Sub-nanotesla magnetometry with a fibre-coupled diamond sensor

19 Feb 2020 Patel R. L. Zhou L. Q. Frangeskou A. C. Stimpson G. A. Breeze B. G. Nikitin A. Dale M. W. Nichols E. C. Thornley W. Green B. L. Newton M. E. Edmonds A. M. Markham M. L. Twitchen D. J. Morley G. W.

Sensing small magnetic fields is relevant for many applications ranging from geology to medical diagnosis. We present a fiber-coupled diamond magnetometer with a sensitivity of (310 $\pm$ 20) pT$/\sqrt{\text{Hz}}$ in the frequency range of 10-150 Hz... (read more)

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