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建立了库德式激光通信终端的几何模型,利用三维偏振态追迹算法对其偏振态传输特性进行分析,得出系统偏振态传输矩阵,建立库德式激光通信终端方位、俯仰角与其偏振消光比、相位延迟角的关系。对出射信号光的偏振态进行了数值仿真,结果表明,库德式激光通信终端出射信号光偏振态与终端方位、俯仰角有密切联系,为相干空间激光通信系统的偏振态实时控制提供了参考。
The geometrical model of the KD laser communication terminal is established. The polarization transmission characteristics of the laser are analyzed by using the three-dimensional polarization tracking algorithm. The polarization transfer matrix of the system is obtained and the azimuth, elevation and polarization extinction Ratio, the relationship between the phase delay angle. The numerical simulation of the polarization state of the outgoing signal light shows that the polarization state of the outgoing signal light is closely related to the terminal azimuth and elevation angle and provides a reference for the real-time polarization state control of the coherent space laser communication system .