Investigation on the Cs 6S1/2 to 7D electric quadrupole transition via monochromatic two-photon process at 767 nm

doi:10.1007/s11467-020-0988-y

Front. Phys.

2021, Vol. 16

Issue (1) : 12502 https://doi.org/10.1007/s11467-020-0988-y

RESEARCH ARTICLE

Investigation on the Cs 6S_1/2 to 7D electric quadrupole transition via monochromatic two-photon process at 767 nm

San-Dan Wang^1,², Jin-Peng Yuan^1,²(

), Li-Rong Wang^1,²(

), Lian-Tuan Xiao^1,², Suo-Tang Jia^1,²

¹. State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, China
². Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

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Abstract

We experimentally demonstrate the cesium electric quadrupole transition from the 6S_1/2 ground state to the 7D_3/2,5/2 excited state through a virtual level by using a single laser at 767 nm. The excited state energy level population is characterized by varying the laser power, the temperature of the vapor, and the polarization combinations of the laser beams. The optimized experimental parameters are obtained for a high resolution transition interval identification. The magnetic dipole coupling constant A and electric quadrupole coupling constant B for the 7D_3/2,5/2 states are precisely determined by using the hyperfine levels intervals. The results, A = 7.39 (0.06) MHz, B = −0.19 (0.18) MHz for the 7D_3/2 state, and A = −1.79 (0.05) MHz, B =1.05 (0.29) MHz for the 7D_5/2 state, are in good agreement with the previous reported results. This work is beneficial for the determination of atomic structure information and parity non-conservation, which paves the way for the field of precision measurements and atomic physics.

Keywords two-photon process hyperfine structure electric quadrupole transition

Corresponding Author(s): Jin-Peng Yuan,Li-Rong Wang

Just Accepted Date: 25 August 2020 Issue Date: 10 October 2020

Cite this article:

San-Dan Wang,Jin-Peng Yuan,Li-Rong Wang, et al. Investigation on the Cs 6S_1/2 to 7D electric quadrupole transition via monochromatic two-photon process at 767 nm[J]. Front. Phys. , 2021, 16(1): 12502.

URL:

https://academic.hep.com.cn/fop/EN/10.1007/s11467-020-0988-y
https://academic.hep.com.cn/fop/EN/Y2021/V16/I1/12502

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