• Laser & Optoelectronics Progress
  • Vol. 55, Issue 1, 10602 (2018)
Wang Yunqi1、2、*, Liu Weiqi1、2, Fu Hanyi2, Gao Shijie1、3, and Wu Jiabin3
Author Affiliations
  • 1Department of Postgraduates, Changchun Institute of Optics, Fine Mechanics and Physics, University of Chinese Academy of Sciences, Changchun, Jilin 130033, China
  • 2First Department of Space Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China
  • 3Department of Photoelectric Detection, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China
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    DOI: 10.3788/LOP55.010602 Cite this Article Set citation alerts
    Wang Yunqi, Liu Weiqi, Fu Hanyi, Gao Shijie, Wu Jiabin. Design of Laser Communication Optical System with Off-Axis Common Aperture[J]. Laser & Optoelectronics Progress, 2018, 55(1): 10602 Copy Citation Text show less
    Optical diagram of common aperture system
    Fig. 1. Optical diagram of common aperture system
    Performance analysis diagram of common aperture system. (a) Spot radius; (b) diagram of MTF curve; (c) diagram of wavefront aberration
    Fig. 2. Performance analysis diagram of common aperture system. (a) Spot radius; (b) diagram of MTF curve; (c) diagram of wavefront aberration
    Diagram of signal light transmitting optical structure and performance analysis. (a) 1550 nm transmitting system; (b) spot radius; (c) diagram of wavefront aberration
    Fig. 3. Diagram of signal light transmitting optical structure and performance analysis. (a) 1550 nm transmitting system; (b) spot radius; (c) diagram of wavefront aberration
    Diagram of bacon light transmitting optical structure and performance analysis. (a) 1550 nm transmitting system; (b) spot radius; (c) diagram of wavefront
    Fig. 4. Diagram of bacon light transmitting optical structure and performance analysis. (a) 1550 nm transmitting system; (b) spot radius; (c) diagram of wavefront
    Diagram of optical receiving structure
    Fig. 5. Diagram of optical receiving structure
    Performance analysis diagram of signal light receiving system. (a) Diagram of spot radius; (b) diagram of wavefront; (c) diagram of MTF
    Fig. 6. Performance analysis diagram of signal light receiving system. (a) Diagram of spot radius; (b) diagram of wavefront; (c) diagram of MTF
    Diagram of bacon light receiving system
    Fig. 7. Diagram of bacon light receiving system
    Performance analysis diagram of tracking and pointing system. (a) Spot diagram; (b) energy concentration curve
    Fig. 8. Performance analysis diagram of tracking and pointing system. (a) Spot diagram; (b) energy concentration curve
    Transmitting system of signal lightTransmitting system of beacon light
    Wavelength /nmObjectNADivergence /mradEffectiveaperture /mmWavelength /nmObject NADivergence /mradEffectiveaperture /mm
    15500.28±1 (±0.06°)168080.31±1 (±0.06°)16
    Table 1. Design parameters of transmitting system
    Effective aperture /mmReduction ratioDivergence for full-field /mrad
    16010∶12 (0.12°)
    Table 2. Design parameters of optical antenna
    Wavelength /nmField of view /mradImaging NAEffective aperture /mm
    1550±1 (±0.06°)0.2816
    Table 3. Design parameters of signal light receiving system
    Wavelength /nmSize of entrancepupil /mmTrackingaccuracy /μradReduction ratioField of view
    Coarsetracking /mradFinetracking /mrad
    80816210∶1±1 (±0.06°)±0.1 (±0.006°)
    Table 4. Design parameters of beacon light receiving system
    DisplacementPrimary mirrorSecondary mirror
    Decenter X /mm0.0250.025
    Decenter Y /mm0.0250.025
    Decenter Z /mm0.0250.025
    Tilted X /(″)2060
    Tilted Y /(″)2060
    Tilted Z /(″)2060
    Table 5. Optical antenna tolerance analysis
    DisplacementSTOSurface 2Surface 3Surface 4Surface 5Surface 6
    Thickness /mm0.050.050.050.050.050.05
    Decenter /mm0.010.010.010.010.010.01
    Tilted / (″)404040404040
    Table 6. Transmitting system tolerance analysis
    DisplacementSTOSurface 2Surface 3Surface 4Surface 5Surface 6
    Thickness /mm0.050.050.050.050.050.05
    Decenter /mm0.020.020.020.020.020.02
    Tilted /(″)404040404040
    Table 7. Signal light receiving system tolerance analysis
    DisplacementSTOSurface 2Surface 3Surface 4Surface 5Surface 6Surface 7Surface 8
    Thickness /mm0.020.020.020.020.020.020.020.02
    Decenter /mm0.020.020.020.020.020.020.020.02
    Tilted /(″)4040404040404040
    Table 8. Tracking and pointing system tolerance analysis
    Wang Yunqi, Liu Weiqi, Fu Hanyi, Gao Shijie, Wu Jiabin. Design of Laser Communication Optical System with Off-Axis Common Aperture[J]. Laser & Optoelectronics Progress, 2018, 55(1): 10602
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