| ATOMIC AND MOLECULAR PHYSICS |
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Experimental Measurement of the Absolute Frequencies and Hyperfine Coupling Constants of 133Cs Using a Femtosecond Optical Frequency Comb |
| JIN Li1,2, ZHANG Yi-Chi2, XIANG Shao-Shan2, WANG Li-Rong2**, MA Jie2, ZHAO Yan-Ting2, XIAO Lian-Tuan2, JIA Suo-Tang1,2 |
1Department of Physics, College of Science, North University of China, Taiyuan 030051
2State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006
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| Cite this article: |
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JIN Li, ZHANG Yi-Chi, XIANG Shao-Shan et al 2013 Chin. Phys. Lett. 30 103201 |
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Abstract High resolution two-photon spectrum of the transitions 6S1/2→6P3/2→8S1/2, 9S1/2 and 6S1/2→6P1/2→7D3/2 in neutral 133Cs are presented in a room-temperature vapor cell using a femtosecond optical frequency comb. Spectra are obtained by scanning the repetition frequency of the femtosecond optical frequency comb over the two-photon hyperfine structure. The centroid frequency of the 6S1/2→8S1/2, 9S1/2, 7D3/2 transitions are 729009798.80(17) MHz, 806761363.96(11) MHz, and 780894762.595(23) MHz, respectively. The hyperfine coupling constants of the corresponding states are also obtained. The results are consistent with the previous measurements.
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Received: 19 July 2013
Published: 21 November 2013
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| PACS: |
32.10.Fn
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(Fine and hyperfine structure)
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34.10.+x
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(General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.))
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34.35.+a
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(Interactions of atoms and molecules with surfaces)
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