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|Title:||A dual-axis, high-sensitivity atomic magnetometer|
|Citation:||Acta Physica Sinica, 2017; 26(12):120702-1-120702-5|
|Rujie Li, Wei Quan, Wenfeng Fan, Li Xing, Zhuo Wang, Yueyang Zhai and Jiancheng Fang|
|Abstract:||Atomic magnetometer (AM) operated in a spin-exchange relaxation-free (SERF) regime features superior sensitivity and non-cryogenic operation, and thus is competitive with the best superconducting quantum interference devices. Previously, SERF AM with fT/Hz1/2 level sensitivity commonly acted as a single-axis sensor. Here we demonstrate a dual-axis SERF AM capable of simultaneously and independently detecting x- and y-field components with a sensitivity of 20 fT/Hz1/2. As there is no necessity to worry about the cross-talk effects arising from field modulations, the dual-axis scheme proposed here is of particular interest to AM array and hence the biomagnetic applications.|
|Keywords:||Optically pumped magnetometers; multi-axis field measurements; high-sensitivity field measurements; polarized atoms|
|Rights:||© 2017 Chinese Physical Society and IOP Publishing Ltd.|
|Appears in Collections:||Aurora harvest 8|
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