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提出利用检偏器和光谱仪同时测量单模光纤各个波长的输出偏振态 ,从而测量出偏振模色散群时延差 ,这种方法和传统方法相比 ,测量时间大为节省 ,降低了偏振模色散随时间变化而引起的测量误差 ,提高了测量精度。
Proposed the use of analyzer and spectrometer simultaneous measurement of single-mode optical fiber output polarization state of each wavelength, thereby measuring the polarization mode dispersion group delay difference, this method compared with the traditional method, the measurement time is greatly reduced, reducing the polarization mode dispersion The measurement error caused by the change over time improves the measurement accuracy.