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High sensitive photoassociation spectroscopy based on modulated ultra-cold Cs atoms

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Abstract

In this paper, a high sensitive photoassociation spectroscopy based on modulated ultra-cold cesium atoms is reported. The cold cesium gas in the magneto-optical trap is illuminated by a photoassociation laser with red detuning 40 cm-1 below the 6S 1/2+6P 3/2 dissociation limit and photoassociation to the excited state ultra-cold molecules is observed. The rotationally bound levels of 0g - state are well resolved using the lock-in detection. The 0g -, 1g and 0u + long range states which connect to this dissociation limit are measured. The long-range dipole–dipole interaction constants are determined through a fit of the experimental energy levels.

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Authors and Affiliations

  1. State Key Laboratory of Quantum Optics and Quantum Optics Devices, College of Physics and Electronics Engineering, Shanxi University, Taiyuan, 030006, P.R. China

    L.R. Wang, J. Ma, C.Y. Li, J.M. Zhao, L.T. Xiao & S.T. Jia

Authors
  1. L.R. Wang
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  2. J. Ma
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  3. C.Y. Li
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  4. J.M. Zhao
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  5. L.T. Xiao
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  6. S.T. Jia
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Correspondence to L.T. Xiao.

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PACS

33.15.Mt; 33.20.Vq; 32.80.Pj

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Wang, L., Ma, J., Li, C. et al. High sensitive photoassociation spectroscopy based on modulated ultra-cold Cs atoms. Appl. Phys. B 89, 53–57 (2007). https://doi.org/10.1007/s00340-007-2737-0

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  • DOI: https://doi.org/10.1007/s00340-007-2737-0

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