AEROSPACE SHANGHAI, Volume. 42, Issue 4, 129(2025)
Evaluation of Space Environmental Adaptability for Optical Modules in Laser Space Communication
Figures & Tables(10)
Fig. 2. Eye diagram test of the optical emission module after neutron irradiation
Fig. 3. Eye diagram test of the light receiving module after neutron irradiation
Fig. 4. Diagram of monitoring the single-event test system for the optical modules
Fig. 6. Variation of the optical power of the optical emission module with temperature
Fig. 7. Variation of the sensitivity of the receiving module with temperature
Table 1.
Average optical power before and after irradiation View tableView in ArticleTable 1.
Average optical power before and after irradiation 特征参数 通道 辐照前/dBm 辐照后/dBm 指标范围 平均光 功率/dBm 通道1 0.83 0.81 -4~3 dBm 通道2 1.24 0.99 通道3 1.01 0.68 通道4 1.01 0.93 通道5 1.21 1.01 通道6 1.33 0.8 通道7 1.21 1.05 通道8 1.07 1.05 通道9 1.39 1.12 通道10 1.21 0.66 通道11 1.11 1.02 通道12 1.46 1.03
Table 2.
Receiving sensitivity before and after irradiation View tableView in ArticleTable 2.
Receiving sensitivity before and after irradiation 特征参数 通道 辐照前/dBm 辐照后/dBm 指标范围 接收灵敏 度/dBm 通道1 -16.56 -16.62 ≤-12 dBm 通道2 -16.7 -16.4 通道3 -16.59 -15.43 通道4 -17.03 -16.39 通道5 -17.04 -16.19 通道6 -17.08 -16.42 通道7 -17.06 -15.44 通道8 -16.1 -15.95 通道9 -17.1 -15.92 通道10 -17.08 -16.42 通道11 -17.04 -16.42 通道12 -17.05 -15.39
Table 3.
Radiation particle characteristics obtained by the single-event tests View tableView in ArticleTable 3.
Radiation particle characteristics obtained by the single-event tests 序号 离子
种类
能量值/MeV 表面LET值/
(MeVˑmg-1·cm-2)
硅中射程/mm 1 12C 80 1.73 127 2 19F 115 5.06 87.9 3 35Cl 164 13.4 47.4 4 48Ti 169 21.8 34.7 5 74Ge 212 37.2 30.8
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Lindong MA, Zhengdong SONG, Yuan LIU, Bo WANG, Zebin KONG. Evaluation of Space Environmental Adaptability for Optical Modules in Laser Space Communication[J]. AEROSPACE SHANGHAI, 2025, 42(4): 129
Paper Information
Category: Components and Devices Failure Physics
Received: May. 30, 2025
Accepted: --
Published Online: Sep. 29, 2025
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