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SERF Atomic Magnetometer-Recent Advances and Applications: A Review

Journal

IEEE SENSORS JOURNAL
Volume 18, Issue 20, Pages 8198-8207

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2018.2863707

Keywords

SERF; atomic magnetometer; alkali metal vapor source; atom heating method; pump and probe lasers; magnetic shielding system

Funding

  1. 863 Plan of China [2014AA123401]
  2. Key Programs of the National Science Foundation of China [2016YFB051600]
  3. National Natural Science Foundation of China [61227902]

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This paper aims to review the technology, developments, and applications of spin exchange relaxation free (SERF) atomic magnetometers. The generalized comparisons between the SERF magnetometer and the other types of weak magnetic sensors are elaborated. Further, the fundamental composition and operational principle of the SERF atomic magnetometer are elucidated. The development history and recent technological developments with respect to several aspects, including the alkali metal vapor source, atom heating method, pump and probe lasers, and magnetic shielding system, are presented. The classification and respective advantages and disadvantages of these technologies are described in detail. Finally, the existing and potential applications, as well as the prospective future development trends are presented.

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