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Chinese Journal of Lasers, Volume. 51, Issue 11, 1101014(2024)

Design and Verification of the Cold Atom Physics Rack Installed in the Chinese Space Station

Lin Li1,3,4, Wei Xiong2, Bin Wang1,3,4, Su Fang1, Xinping Xu1, Jingwei Ji1,4, Yuanyuan Liu1, Ang’ang Liang1,3,4, Mingshan Huang1,3,4, Yi Hong1, Shuang Tang1, Min Gao1, Minjie Huang1, Cuiyun Zhou1, Tieqiang Song1,4, Zhaogang Liang1, Dijun Chen1,4, Xiaoji Zhou2, Xuzong Chen2, Xia Hou1,4, Tang Li1,3,4、***, Weibiao Chen1,4、**, and Liang Liu1,3,4、*
Author Affiliations
  • 1Aerospace Laser Technology and System Department, Shanghai Institute Of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2School of Electronics, Peking University, Beijing 100871, China
  • 3Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 4Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
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    Schematic diagrams of the cold atom physics rack (CAPR). (a) Physical package; (b) cooling laser system; (c) optical dipole trap and lattice laser system; (d) electronic control unit; (e) CAPR system after assembly

    Fig. 1. Schematic diagrams of the cold atom physics rack (CAPR). (a) Physical package; (b) cooling laser system; (c) optical dipole trap and lattice laser system; (d) electronic control unit; (e) CAPR system after assembly

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    Schematic diagram of the vacuum system

    Fig. 2. Schematic diagram of the vacuum system

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    Schematic diagram of the 780 nm cooling laser system

    Fig. 3. Schematic diagram of the 780 nm cooling laser system

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    Schematic diagram of 1064 nm optical dipole trap and lattice laser system

    Fig. 4. Schematic diagram of 1064 nm optical dipole trap and lattice laser system

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    Principal schematic of the CAPR

    Fig. 5. Principal schematic of the CAPR

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    Timing sequence of the CAPR two-stage crossed beams cooling (TSCBC) experiment

    Fig. 6. Timing sequence of the CAPR two-stage crossed beams cooling (TSCBC) experiment

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    Observed BEC signal after 20 ms TOF

    Fig. 7. Observed BEC signal after 20 ms TOF

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    Scheme (left) and timing sequence (right) of TSCBC

    Fig. 8. Scheme (left) and timing sequence (right) of TSCBC

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    Ultracold atomic signal after TSCBC. (a) TOF of 1 ms; (b) TOF of 10 ms

    Fig. 9. Ultracold atomic signal after TSCBC. (a) TOF of 1 ms; (b) TOF of 10 ms

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    Lin Li, Wei Xiong, Bin Wang, Su Fang, Xinping Xu, Jingwei Ji, Yuanyuan Liu, Ang’ang Liang, Mingshan Huang, Yi Hong, Shuang Tang, Min Gao, Minjie Huang, Cuiyun Zhou, Tieqiang Song, Zhaogang Liang, Dijun Chen, Xiaoji Zhou, Xuzong Chen, Xia Hou, Tang Li, Weibiao Chen, Liang Liu. Design and Verification of the Cold Atom Physics Rack Installed in the Chinese Space Station[J]. Chinese Journal of Lasers, 2024, 51(11): 1101014

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    Paper Information

    Category: laser devices and laser physics

    Received: Feb. 1, 2024

    Accepted: Mar. 14, 2024

    Published Online: Jun. 18, 2024

    The Author Email: Li Tang (litang@siom.ac.cn), Chen Weibiao (wbchen@siom.ac.cn), Liu Liang (liang.liu@siom.ac.cn)

    DOI:10.3788/CJL240561

    CSTR:32183.14.CJL240561

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology