Frequency shifts of self-oscillating magnetometer with cesium vapor

DOI PDF 被引用文献1件
  • Tsutomu Yabuzaki
    Ionosphere Research Laboratory, Kyoto University, Kyoto, Japan
  • Toru Ogawa
    Ionosphere Research Laboratory, Kyoto University, Kyoto, Japan

書誌事項

公開日
1974-03-01
DOI
  • 10.1063/1.1663412
公開者
AIP Publishing

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説明

<jats:p>The frequency shifts of a self-oscillating magnetometer with cesium vapor are studied quantitatively by solving rate equations for cesium atoms undergoing the action of a circularly polarized pumping light beam. Particular attention is given to the frequency shifts due to the line asymmetry of the rf spectrum in the light transmitted through the vapor. The line asymmetry varies with the orientation of the light beam relative to the field to be measured, the intensity of the light, and the temperature of the absorption cell. As an effect of a buffer gas, two extreme cases are considered, i.e., the optically excited state is in the complete mixing state and in the nonmixing state. The results show the fact that the frequency shifts depend largely on the collisional mixing in the excited state and on the sense of the circular polarization of the light. In order to reduce the frequency shifts, a new type of magnetometer, called the symmetrized spectrum magnetometer, is discussed, in which two circularly polarized light beams with opposite sense are simultaneously applied to a partitioned absorption cell.</jats:p>

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