A dual-axis, high-sensitivity atomic magnetometer Project supported by the National Natural Science Foundation of China (Grant Nos. 61227902, 61673041, and 61374210), the National Key R & D Program of China (Grant No. 2016YFB0501601), and the Academic Excellence Foundation of Beihang University (BUAA) for PhD Students. |
(color online) The response of the dual-axis AM to the field offset in Bx and By. Both Ch1 (blue line) and Ch2 AMs (red dashed line) show a linear measurement range of about 1 nT. |