| 摘要 |
A magnetic sensor for measuring a magnetic field using an optical pumping method includes a first gas in which a valence electron is composed of an odd number of atoms or ions, a probe light incidence device which causes first probe light including straight polarized light to be incident on the first gas, a second gas in which a valence electron arranged on an optical path of second probe light that is the first probe light transmitted through the first gas is composed of an odd number of atoms or ions, a pumping light incidence device which causes first pumping light including first circular polarized light to be incident on the first gas and second pumping light including second circular polarized light to be incident on the second gas, and a detector which detects a rotation angle of a polarization plane of the first probe light and a polarization plane of third probe light that is the second probe light transmitted through the second gas.
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