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Dong Yongmian, Zheng Qiguang, Wang Tao, Gu Jianhui, Tao Xingzhi, Pan Qingyue, Shi Shihong. Focal length measurement by calculating Fourier transform spectrum interference fringes of symmetric double circular apertures[J]. LASER TECHNOLOGY, 2001, 25(1): 70-72.
Citation: Dong Yongmian, Zheng Qiguang, Wang Tao, Gu Jianhui, Tao Xingzhi, Pan Qingyue, Shi Shihong. Focal length measurement by calculating Fourier transform spectrum interference fringes of symmetric double circular apertures[J]. LASER TECHNOLOGY, 2001, 25(1): 70-72.
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Focal length measurement by calculating Fourier transform spectrum interference fringes of symmetric double circular apertures

  • 1.

    National Laboratory of Laser Technology, HUST, Wuhan, 430074;

  • 2.

    Northwestern Polytechnical University, Xi'an, 710072

  • 4.

    Department of Physics, Yantai Teachers' College, Yantai, 264025

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  • Received Date: July 25, 1999
  • Revised Date: December 21, 1999
  • Published Date: January 24, 2001
    Graphical Abstract
    • Abstract
  • A method of focal length measurement by calculating Fourier transform spectrum interference fringes of symmetric double circular apertures with small distance is presented.The setup is simple with high accuracy.The principle is described and the error is analyzed.The consistent experimental results are also given in the paper.
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    • References (3)
  • [1]
    孙桂林,刘振山.光学技术,1992;(2):31
    [2]
    王玉荣,蔡履中.光学技术,1998;(2):15
    [3]
    [美] 杨振寰著,母国光等译.光学信息处理.天津:南开大学出版社,1986
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