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Laser & Optoelectronics Progress, Volume. 59, Issue 11, 1123001(2022)

Design of Laser Communication Optical Transceiver Based on Double Wedge Prisms

Zhenchong Xing1,2 and Wei Wang1,2、*
Author Affiliations
  • 1The 54th Research Institute of China Electronic Technology Group Corporation, Shijiazhuang 050011, Hebei , China
  • 2Hebei Key Laboratory of Photonic Information Technology and Application, Shijiazhuang 050011, Hebei , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (5)
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    Cited By (3)
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    Figures & Tables(9)
    Combination modes of double wedge prisms

    Fig. 1. Combination modes of double wedge prisms

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    Imaging schematic diagram of double wedge prisms. (a) No rotation; (b) single prism rotation; (c) double prisms rotation

    Fig. 2. Imaging schematic diagram of double wedge prisms. (a) No rotation; (b) single prism rotation; (c) double prisms rotation

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    Ray tracing model of the rotating double wedge prisms

    Fig. 3. Ray tracing model of the rotating double wedge prisms

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    Linear scanning patterns under different initial phase

    Fig. 4. Linear scanning patterns under different initial phase

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    Rose line scanning patterns. (a) k=-3.0; (b) k=-3.5; (c) k=-4.1

    Fig. 5. Rose line scanning patterns. (a) k=-3.0; (b) k=-3.5; (c) k=-4.1

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    Schematic diagram of lightweight and miniaturized laser communication terminal

    Fig. 6. Schematic diagram of lightweight and miniaturized laser communication terminal

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    Schematic diagram of receiving optical path. (a) Optical system schematic diagram; (b) spots distribution schematic diagram

    Fig. 7. Schematic diagram of receiving optical path. (a) Optical system schematic diagram; (b) spots distribution schematic diagram

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    Schematic diagram of the laser emission optical path

    Fig. 8. Schematic diagram of the laser emission optical path

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    • Table 1. Power budge of the laser communication link

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      Table 1. Power budge of the laser communication link

      ParameterGainNote
      1.54 μm1.56 μm
      Laser emission power10 dBm10 mW semiconductor laser
      Antenna transmission gain78.06 dB78.06 dBbeam divergence angle 0.5 mrad
      Antenna efficiency-3.2 dB-3.2 dB

      optical transmittance 0.7

      wavefront aberration λ/10

      Atmospheric loss-0.11 dB-0.11 dBatmosphere transmittance 0.97
      Spatial transmission loss-198.23 dB-198.12 dBtransmission distance 1.0 km
      Alignment mismatch loss-1.39 dB-1.39 dBbest match
      Antenna receiving gain92.21 dB92.10 dBpupil diameter 20 mm
      Antenna efficiency-3.2 dB-3.2 dB

      optical transmittance 0.7

      wavefront aberration λ/10

      Received power-25.97 dBm-25.99 dBm~1.42 μW
      Detection sensitivity-35 dBmbit error rate less than or equal to 10-6
      Power margin9.03 dB9.01 dBsufficient power margin
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    Zhenchong Xing, Wei Wang. Design of Laser Communication Optical Transceiver Based on Double Wedge Prisms[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1123001

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    Paper Information

    Category: Optical Devices

    Received: Sep. 22, 2021

    Accepted: Oct. 25, 2021

    Published Online: Jun. 9, 2022

    The Author Email: Wei Wang (ciomp2015@163.com)

    DOI:10.3788/LOP202259.1123001

    Topics

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