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Chinese Journal of Lasers, Volume. 46, Issue 3, 0304005(2019)

Optimal Design and Analysis of Tracking Optical Paths in Femtosecond Laser Tracker

Dabao Lao1,2、*, Chengjun Cui1, Guomin Wang1, and Weihu Zhou1,2
Author Affiliations
  • 1 Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China
  • 2 University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    Figures & Tables(9)
    Diagram of optical system in femtosecond laser tracker

    Fig. 1. Diagram of optical system in femtosecond laser tracker

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    Working principle of PSD

    Fig. 2. Working principle of PSD

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    Relative measurement error of PSD caused by stray light

    Fig. 3. Relative measurement error of PSD caused by stray light

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    Diagram of overall optical system in femtosecond laser tracker

    Fig. 4. Diagram of overall optical system in femtosecond laser tracker

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    Detection principle of PSD based on focusing by ideal single lens

    Fig. 5. Detection principle of PSD based on focusing by ideal single lens

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    Stray light distribution in optimized optical path

    Fig. 6. Stray light distribution in optimized optical path

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    Test experiment of PSD detection accuracy

    Fig. 7. Test experiment of PSD detection accuracy

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    Detection errorcurve of PSD

    Fig. 8. Detection errorcurve of PSD

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    • Table 1. Coordinate relationship of PSD output of different target ball off-target amount

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      Table 1. Coordinate relationship of PSD output of different target ball off-target amount

      idXi /mmPXi /mmPYi /mmjdYj /mmPXj /mmPYj /mm
      0-3.5-0.024-2.2860-3.5-2.470-0.062
      1-3.0-0.026-1.9541-3.0-2.126-0.061
      2-2.5-0.025-1.6212-2.5-1.778-0.060
      3-2.0-0.024-1.2923-2.0-1.431-0.058
      4-1.5-0.022-0.9594-1.5-1.083-0.052
      5-1.0-0.024-0.6265-1.0-0.734-0.052
      6-0.5-0.021-0.2976-0.5-0.386-0.050
      70.0-0.0240.03270.0-0.041-0.058
      80.5-0.0200.36480.50.304-0.052
      91.0-0.0240.69491.00.648-0.054
      101.5-0.0271.023101.50.993-0.052
      112.0-0.0231.356112.01.338-0.060
      122.5-0.0261.688122.51.685-0.051
      133.0-0.0222.017133.02.030-0.058
      143.5-0.0192.346143.52.378-0.054
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    Dabao Lao, Chengjun Cui, Guomin Wang, Weihu Zhou. Optimal Design and Analysis of Tracking Optical Paths in Femtosecond Laser Tracker[J]. Chinese Journal of Lasers, 2019, 46(3): 0304005

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    Paper Information

    Category: measurement and metrology

    Received: Oct. 10, 2018

    Accepted: Dec. 4, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/CJL201946.0304005

    Topics

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