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STEADY POPULATIONS IN HYPERFINE ZEEMAN SUBLEVELS OF LASER OPTICALLY PUMPED CS IN HIGH MAGNETIC-FIELDS

Zhonghua Wu, Mx Zhao, XZ Zeng

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Abstract

Laser optical pumping of caesium atoms in a high magnetic field of 1.514 T is reported. Steady absorption spectra from hyperfine Zeeman sublevels are obtained with two semiconductor lasers. The populations in different hyperfine Zeeman sublevels show unusual changes when the power of the pumping laser is changed. The optical pumping and the spin flip by hyperfine interaction bring about the marching of atoms from the lowest to the highest M(I) sublevels of the ground state.

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What this paper is about

Laser optical pumping of caesium atoms in a high magnetic field of 1.514 T is reported. Steady absorption spectra from hyperfine Zeeman sublevels are obtained with two semiconductor lasers. The populations in different hyperfine Zeeman sublevels show unusual changes when the power of the pumping laser is changed. The optical pumping and the spin flip by hyperfine interaction bring about the marching of atoms from the lowest to the highest M(I) sublevels of the ground state.

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Available abstract

Laser optical pumping of caesium atoms in a high magnetic field of 1.514 T is reported. Steady absorption spectra from hyperfine Zeeman sublevels are obtained with two semiconductor lasers. The populations in different hyperfine Zeeman sublevels show unusual changes when the power of the pumping laser is changed. The optical pumping and the spin flip by hyperfine interaction bring about the marching of atoms from the lowest to the highest M(I) sublevels of the ground state.

Key concepts: Hyperfine structure, Zeeman effect, Atomic physics, Optical pumping, Caesium, Laser, Magnetic field, Physics

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STEADY POPULATIONS IN HYPERFINE ZEEMAN SUBLEVELS OF LASER OPTICALLY PUMPED CS IN HIGH MAGNETIC-FIELDS — Research Paper | ScholarLens