2015/10/03 by Jiancheng Fang, Fang, Jiancheng, Rujie Li +7
Physics and Astronomy · #Atomic Physics (physics.atom-ph) #Atomic and Subatomic Physics Research #Cold Atom Physics and Bose-Einstein Condensates #FOS: Physical sciences #Optics (physics.optics) #Quantum optics and atomic interactions #physics.atom-ph #physics.optics
paper · pdf · doi:10.48550/arxiv.1510.00885
This paper has been withdrawn due to the data update
openalex publication_date 2015/10/03 · arxiv created 2017/02/08 · arxiv updated 2017/02/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
In the optical pumping systems based on the pump-probe arrangement, the spin polarization of the atoms is generally monitored utilizing the probe laser beam, in which way an extra perturbation must be introduced and thus affects the normal operation of the sensors. By investigating the absorption rate of the circularly polarized pump laser, here we demonstrate the feasibility of extracting the electron-spin polarization from the transmitted pump laser intensity. We experimentally validate the method in a spin-exchange relaxation free (SERF) magnetometer and the results are in excellent agreement with the theory. The scheme operates in a silent mode and features a real-time observation. We also study the corresponding magnetic field response of the SERF magnetometer and a term arising from the diffusion effects has been added to the original model to explain the discrepancy of the response.