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High-resolution ex vacuo objective for cold atom experiments

机译:冷原子实验的高分辨率EX VACUO目的

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摘要

We present a versatile and cost-efficient objective with a five-lens configuration, which consists completely of commercial singlets. The home-built objective has a numerical aperture (NA) of 0.44 and a long working distance of 35.9 mm, making it suitable for ex vacuo utilization. A diffraction-limited resolution of 1.08 mu m and a field of view of about 210 mu m are achieved when a 780 nm light passes through a 5 mm thick vacuum window. Moreover, such a design can be well adapted to a broad range of laser wavelengths (560-1000 nm) and vacuum window thicknesses (0-6 mm) by simply modifying one lens spacing, while maintaining a NA of above 0.43. The characteristics of the objective are evaluated experimentally, which are in good agreement with the simulations. Also, the objective has been successfully used for single-atom trapping and detecting in experiments. We believe that it will find more applications in various cold atom experiments. (C) 2018 Optical Society of America.
机译:我们呈现了一个多功能且经济高效的目标,具有五个镜头配置,它完全由商业单品组成。 家庭内置物镜的数值孔径(NA)为0.44,工作距离为35.9毫米,使其适用于排空利用。 当780nm光穿过5mm厚的真空窗口时,实现了1.08μm和约210μm的1.08μm和视场的衍射限制分辨率。 此外,通过简单地改变一个透镜间隔,这种设计可以很好地适应广泛的激光波长(560-1000nm)和真空窗厚度(0-6mm),同时保持NA高于0.43。 目的的特征是通过实验评估的,与模拟吻合良好。 此外,该目的已成功用于实验中的单原子捕获和检测。 我们认为它将在各种寒冷的原子实验中找到更多的应用。 (c)2018年光学学会。

著录项

  • 来源
    《Applied optics》 |2018年第26期|共7页
  • 作者单位

    Huazhong Univ Sci &

    Technol Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Chinese Acad Sci Wuhan Natl Lab Optoelect Wuhan Inst Phys &

    Math State Key Lab Magnet &

    Atom &

    Mol Phys Wuhan 430074 Hubei Peoples R China;

    Chinese Acad Sci Wuhan Natl Lab Optoelect Wuhan Inst Phys &

    Math State Key Lab Magnet &

    Atom &

    Mol Phys Wuhan 430074 Hubei Peoples R China;

    Chinese Acad Sci Wuhan Natl Lab Optoelect Wuhan Inst Phys &

    Math State Key Lab Magnet &

    Atom &

    Mol Phys Wuhan 430074 Hubei Peoples R China;

    Chinese Acad Sci Wuhan Natl Lab Optoelect Wuhan Inst Phys &

    Math State Key Lab Magnet &

    Atom &

    Mol Phys Wuhan 430074 Hubei Peoples R China;

    Chinese Acad Sci Wuhan Natl Lab Optoelect Wuhan Inst Phys &

    Math State Key Lab Magnet &

    Atom &

    Mol Phys Wuhan 430074 Hubei Peoples R China;

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  • 正文语种 eng
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