Journal of Infrared and Millimeter Waves, Volume. 39, Issue 3, 331(2020)

High precision frequency modulated continuous wave (FMCW) laser ranging based on gas cells signal splicing

Ling-Ping YI, Fu-Min ZHANG*, Xing-Hua QU, and Ya-Ting LI
Author Affiliations
  • State Key Laboratory of Precision Measuring Technology and Instruments,Tianjin University, Tianjin300072, China
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    Figures & Tables(9)
    The ranging experimental device based on gas cells calibration
    Partial absorption peaks in H13C14N spectrum
    Two groups of non-spliced frequency-phase values
    Spliced frequency-phase values and fitting line
    Measurement error and standard deviation
    Result of different splices
    Comparison of interferometer calibration method and H13C14N calibration method
    • Table 1. 波长吸收峰谱线表

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      Table 1. 波长吸收峰谱线表

      R区波长/nmP区波长/nm
      261 527.633 4211 543.114 23
      251 528.054 7421 543.809 67
      241 528.485 7431 544.515 03
      231 528.926 4341 545.230 33
      221 529.376 8151 545.955 49
      211 529.836 8861 546.690 55
      201 530.306 6671 547.435 58
      191 530.786 1581 548.190 57
      181 531.275 3791 548.955 55
      171 531.774 30101 549.730 51
      161 532.282 98111 550.515 46
      151 532.801 39121 551.310 45
      141 533.329 54131 552.115 46
      131 533.867 45141 552.930 51
      121 534.415 14151 553.755 62
      111 534.972 58161 554.590 79
      101 535.539 81171 555.436 05
      91 536.116 83181 556.291 41
      81 536.703 64191 557.156 86
      71 537.300 29201 558.032 40
      61 537.906 75211 558.918 08
      51 538.523 05221 559.813 89
      41 539.149 21231 560.719 83
      31 539.785 23241 561.635 93
      21 540.431 20251 562.562 18
      11 541.087 03261 563.498 59
      01 541.752 80271 564.445 19
    • Table 2. 干涉仪测得值及标定长度

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      Table 2. 干涉仪测得值及标定长度

      位置点t测量值S/mmS/mm标定长度L/m
      10//
      231.261731.261755.050969
      362.512331.250655.042787
      493.744231.231955.065276
      5124.982731.238555.060870
      6156.263531.280855.046554
      7187.509031.245555.059420
      8218.732731.223755.053076
      9249.953431.220755.095570
      10281.182031.228655.027957
      11312.450231.268255.047647
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    Ling-Ping YI, Fu-Min ZHANG, Xing-Hua QU, Ya-Ting LI. High precision frequency modulated continuous wave (FMCW) laser ranging based on gas cells signal splicing[J]. Journal of Infrared and Millimeter Waves, 2020, 39(3): 331

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    Paper Information

    Category: Photoelectric Technology and Application

    Received: Sep. 24, 2019

    Accepted: --

    Published Online: Jul. 7, 2020

    The Author Email: Fu-Min ZHANG (zhangfumin@tju.edu.cn)

    DOI:10.11972/j.issn.1001-9014.2020.03.011

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