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Acta Optica Sinica, Volume. 38, Issue 5, 0528002(2018)

Optimization Research on Multi-Channel Wide-Swath Synthetic Aperture Imaging Ladar Transceiver System

Bo Zhang1,2, Yu Zhou、*, Jianfeng Sun1, Guo Zhang1,2, Guangyuan Li1,2, Mengmeng Xu1,2, Hongyu He1,2, and Chenzhe Lao1,2
Author Affiliations
  • 1 Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2 University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (21)
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    Figures & Tables(10)
    Structural diagram of the multi-channel wide-swath SAIL transceiver system

    Fig. 1. Structural diagram of the multi-channel wide-swath SAIL transceiver system

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    Vertical layout schematic of the fibers in the fiber array device. (a) Emission fiber; (b) far-field imaging; (c) far-field strip imaging

    Fig. 2. Vertical layout schematic of the fibers in the fiber array device. (a) Emission fiber; (b) far-field imaging; (c) far-field strip imaging

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    Tilt layout schematic of the fibers in the fiber array device. (a) Emission fiber; (b) far-field imaging; (c) far-field projection in the orthogonal direction of travel; (d) far-field strip imaging

    Fig. 3. Tilt layout schematic of the fibers in the fiber array device. (a) Emission fiber; (b) far-field imaging; (c) far-field projection in the orthogonal direction of travel; (d) far-field strip imaging

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    Layout model of the fibers in the fiber array device

    Fig. 4. Layout model of the fibers in the fiber array device

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    Optimal algorithmic flow chart of the fiber layout model in the fiber array device

    Fig. 5. Optimal algorithmic flow chart of the fiber layout model in the fiber array device

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    Comparison of (a) optimal and (b) tilted fiber layout when n=12

    Fig. 6. Comparison of (a) optimal and (b) tilted fiber layout when n=12

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    Comparison of (a) optimal and (b) tilted fiber layout when n=16

    Fig. 7. Comparison of (a) optimal and (b) tilted fiber layout when n=16

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    Curve of the optimization factor

    Fig. 8. Curve of the optimization factor

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    Schematic of the array element layout in array detectors

    Fig. 9. Schematic of the array element layout in array detectors

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    • Table 1. Comparison of La value between pre-optimization and post-optimization

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      Table 1. Comparison of La value between pre-optimization and post-optimization

      Number of fibersLa-afterLa-beforeβ /%
      1125.0125.00
      2250.0250.00
      3248.7249.50.31
      4371.4374.20.76
      5492.2499.01.35
      6610.7623.72.10
      7726.1748.52.99
      8837.8873.24.05
      9945.2997.95.29
      101047.41122.76.71
      111434.41247.78.34
      121232.21372.210.20
      131312.31496.912.34
      141381.61621.714.80
      151437.11746.417.71
      161506.31871.219.50
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    Bo Zhang, Yu Zhou, Jianfeng Sun, Guo Zhang, Guangyuan Li, Mengmeng Xu, Hongyu He, Chenzhe Lao. Optimization Research on Multi-Channel Wide-Swath Synthetic Aperture Imaging Ladar Transceiver System[J]. Acta Optica Sinica, 2018, 38(5): 0528002

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Sep. 6, 2017

    Accepted: --

    Published Online: Jul. 10, 2018

    The Author Email: Zhou Yu ( sunny@mail.siom.ac.cn)

    DOI:10.3788/AOS201838.0528002

    Topics

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