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Narrow-linewidth cooling of \(^{6}\)Li atoms using the 2S-3P transition

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Abstract

We report on a narrow-linewidth cooling of \(^{6}\)Li atoms using the \(2S_{1/2}\rightarrow 3P_{3/2}\) transition in the ultraviolet (UV) wavelength regime. By combining the traditional red magneto-optical trap (MOT) at 671 nm and the UV MOT at 323 nm, we obtain a cold sample of \(1.3\times 10^9\) atoms with a temperature of 58 \(\upmu \)K. Furthermore, we demonstrate a high efficiency magnetic transport for \(^{6}\)Li atoms with the help of the UV MOT. Finally, we obtain \(8.1\times 10^8\) atoms with a temperature of 296 \(\upmu \)K at a magnetic gradient of 198 G/cm in the science chamber with a good vacuum environment and large optical access.

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Acknowledgements

This work has been supported by the National Natural Science Foundation of China, the Chinese Academy of Sciences, and the National Fundamental Research Program (under Grant No. 2013CB922001). X.-C.Y. acknowledges support from the Alexander von Humboldt-Stiftung.

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Authors and Affiliations

  1. Department of Modern Physics, National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Shanghai Branch, Hefei, 230026, Anhui, China

    Hao-Ze Chen, Xing-Can Yao, Yu-Ping Wu, Xiang-Pei Liu, Xiao-Qiong Wang, Yu-Ao Chen & Jian-Wei Pan

  2. CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai, 201315, China

    Hao-Ze Chen, Xing-Can Yao, Yu-Ping Wu, Xiang-Pei Liu, Xiao-Qiong Wang, Yu-Ao Chen & Jian-Wei Pan

  3. CAS-Alibaba Quantum Computing Laboratory, Shanghai, 201315, China

    Hao-Ze Chen, Xing-Can Yao, Yu-Ping Wu, Xiang-Pei Liu, Xiao-Qiong Wang, Yu-Ao Chen & Jian-Wei Pan

  4. Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 226, 69120, Heidelberg, Germany

    Xing-Can Yao & Jian-Wei Pan

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  1. Hao-Ze Chen
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Correspondence to Xing-Can Yao.

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Chen, HZ., Yao, XC., Wu, YP. et al. Narrow-linewidth cooling of \(^{6}\)Li atoms using the 2S-3P transition. Appl. Phys. B 122, 281 (2016). https://doi.org/10.1007/s00340-016-6556-z

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