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以近地面大气作为传输介质的大气激光通信(FSO)受地面情况和复杂的气象条件影响很大,传输的信号质量会受到很大干扰。本文介绍以底部平流层大气作为远距离激光通信信道选取平台的使用,以及多路多波长激光传输在此平台下的应用。这种技术可以增大传输距离并降低大气不稳定性对通信链路的影响。本文以模拟试验结果为例分析了系统效果和可行性,试验模拟了大气湍流效应对光路的影响。
Atmospheric laser communications (FSO), which uses the near-surface atmosphere as the transmission medium, are greatly affected by ground conditions and complex meteorological conditions, and the transmitted signal quality is greatly disturbed. This paper introduces the use of the bottom stratospheric atmosphere as the platform for remote laser communication channel selection and the application of multi-channel multi-wavelength laser transmission on this platform. This technology can increase the transmission distance and reduce the impact of atmospheric instability on the communication link. In this paper, the simulation results are used as an example to analyze the system effectiveness and feasibility. The experiment simulates the influence of atmospheric turbulence on the optical path.