• Laser & Optoelectronics Progress
  • Vol. 61, Issue 13, 1306008 (2024)
Cheng Ruan1,2, Shijie Gao1,2,*, Lie Ma1, Ximing Wang1,2..., Xichang Yu1,2 and Guoqiang Zhang1,2|Show fewer author(s)
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130031, Jilin , China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    DOI: 10.3788/LOP232063 Cite this Article Set citation alerts
    Cheng Ruan, Shijie Gao, Lie Ma, Ximing Wang, Xichang Yu, Guoqiang Zhang. Method of Improving the Transmission Efficiency of Cassegrain Antenna Based on MPLC[J]. Laser & Optoelectronics Progress, 2024, 61(13): 1306008 Copy Citation Text show less
    Classic Cassegrain antenna
    Fig. 1. Classic Cassegrain antenna
    Plane optical path diagram of Cassegrain antenna
    Fig. 2. Plane optical path diagram of Cassegrain antenna
    The relationship between the obscuration ratio and transmission efficiency of the Cassegrain antenna
    Fig. 3. The relationship between the obscuration ratio and transmission efficiency of the Cassegrain antenna
    MPLC operating principle
    Fig. 4. MPLC operating principle
    The matching process of single phase plane in wavefront matching algorithm
    Fig. 5. The matching process of single phase plane in wavefront matching algorithm
    Schematic diagram of improving the transmission efficiency of Cassegrain antenna based on MPLC
    Fig. 6. Schematic diagram of improving the transmission efficiency of Cassegrain antenna based on MPLC
    Beam energy distribution after 45000 km transmission of hollow gaussian beams
    Fig. 7. Beam energy distribution after 45000 km transmission of hollow gaussian beams
    Relationship between phase plate number and conversion efficiency
    Fig. 8. Relationship between phase plate number and conversion efficiency
    Phase plate. (a) The first phase plate; (b) the second phase plate; (c) the third phase plate
    Fig. 9. Phase plate. (a) The first phase plate; (b) the second phase plate; (c) the third phase plate
    The relationship among the hollow Gaussian beams waist radius, the Gaussian beams waist radius, and the conversion efficiency
    Fig. 10. The relationship among the hollow Gaussian beams waist radius, the Gaussian beams waist radius, and the conversion efficiency
    Hollow Gaussian beams simulation results. (a) Ideal outgoing light field; (b) actual outgoing light field
    Fig. 11. Hollow Gaussian beams simulation results. (a) Ideal outgoing light field; (b) actual outgoing light field
    Energy distribution in central section. (a) Energy distribution in the center section of the ideal outgoing light field; (b) energy distribution in the center section of the actual outgoing light field
    Fig. 12. Energy distribution in central section. (a) Energy distribution in the center section of the ideal outgoing light field; (b) energy distribution in the center section of the actual outgoing light field
    After applying MPLC, the transmission efficiency varing with the antenna obscuration ratio
    Fig. 13. After applying MPLC, the transmission efficiency varing with the antenna obscuration ratio
    After the application of MPLC, the transmission efficiency varing with the change curve of antenna obscuration ratio
    Fig. 14. After the application of MPLC, the transmission efficiency varing with the change curve of antenna obscuration ratio
    Cheng Ruan, Shijie Gao, Lie Ma, Ximing Wang, Xichang Yu, Guoqiang Zhang. Method of Improving the Transmission Efficiency of Cassegrain Antenna Based on MPLC[J]. Laser & Optoelectronics Progress, 2024, 61(13): 1306008
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