Description
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Column A: frequency for optically pumped magnetometer (OPM);
Column B: OPM measured field spectrum;
Column C, F, K: frequency for diamond sensor;
Column D-E: noise spectrum measured by diamond magnetometer with and without MW on resonance;
Column G: noise measurement without ferrite;
Column H: frequency for measurement with ferrite;
Column I, J: results of noise of measurement with ferrite, without calibration and with calibration;
Colum L-N: noise of the gradiometer, Ch1, Ch2, and the graditometer |