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研制了一种偏振稳定系统,可以使偏振态(SOP)保持稳定输出,而且可以是任意需要的偏振态。实验中扰偏器以不同变化频率、各种相位幅度的信号变化,稳定器对其进行偏振稳定实验,对于相位幅度为π/2的扰偏信号,进行稳定的变化频率可达8 kHz。稳定耗时分析表明,有71%的时间耗在偏振控制器的响应时间上,而稳定算法及数据处理仅占总耗时的8%。
A polarization stabilization system has been developed that maintains a stable output polarization state (SOP) and can be any desired polarization state. In the experiment, the scrambler changes the signal with different frequency and amplitude, and the stabilizer stabilizes the polarization. The frequency of the disturbance with the phase amplitude of π / 2 can be changed steadily to 8 kHz. Stable time-consuming analysis shows that 71% of the time spent on the response time of the polarization controller, and the stability of the algorithm and data processing only 8% of the total time.