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PZ-42,PZ2-51 PZ2-61 PZ2-62 PZ-G41B PZ-G41CP PZ-G41CN PZ-G41CP, PZ-G41P PZ-G42B PZ-G42CB PZ-G42CN PZ-G42CP PZ-G42N PZ-G42P PZ-G51 PZ-G51B PZ-G51CB PZ-G51CN PZ-G51CP PZ-G51N (PZ-G51T\\PZ-G51NR ) PZ-G51P PZ-G52 PZ-G52B PZ-G52CB PZ-G52CN PZ-G52CP PZ-G52N PZ-G52P PZ-G61B PZ-G61N PZ-G61P PZ-M11 PZ-42,PZ2-51 PZ2-61 PZ2-62 PZ-G41B PZ-G41CP PZ-G41CN PZ-G41CP, PZ-G41P PZ-G42B PZ-G42CB PZ-G42CN PZ-G42CP PZ-G42N PZ-G42P PZ-G51 PZ-G51B PZ-G51CB PZ-G51CN PZ-G51CP PZ-G51N (PZ-G51T\\PZ-G51NR ) PZ-G51P PZ-G52 PZ-G52B PZ-G52CB PZ-G52CN PZ-G52CP PZ-G52N PZ-G52P PZ-G61B PZ-G61N PZ-G61P PZ-M11 偏振光的这种变化造成的色散,
称之偏振模式色散(PMD)。对于现在以分配图像为主的有线电视,影响尚不太大。
但对于一些未来超宽带有特殊要求的业务,如:①相干通信中采用外差检波,要
求光波偏振更稳定时;②光机器等对输入输出特性要求与偏振相关时;③在制作
偏振保持光耦合器和偏振器或去偏振器等时;④制作利用光干涉的光纤敏感器等,
凡要求偏振波保持恒定的情况下,对光纤经过改进使偏振状态不变的光纤称作偏
振保持光纤(PMF:Polarization Maintaining fiber),也有称此为固定偏振
光纤的。 PZ-42,PZ2-51 PZ2-61 PZ2-62 PZ-G41B PZ-G41CP PZ-G41CN PZ-G41CP, PZ-G41P PZ-G42B PZ-G42CB PZ-G42CN PZ-G42CP PZ-G42N PZ-G42P PZ-G51 PZ-G51B PZ-G51CB PZ-G51CN PZ-G51CP PZ-G51N (PZ-G51T\\PZ-G51NR ) PZ-G51P PZ-G52 PZ-G52B PZ-G52CB PZ-G52CN PZ-G52CP PZ-G52N PZ-G52P PZ-G61B PZ-G61N PZ-G61P PZ-M11 PZ-42,PZ2-51 PZ2-61 PZ2-62 ,PZ-G41P PZ-G42B PZ-G42CB PZ-G42CN PZ-G42CP PZ-G42N PZ-G42P PZ-G51 PZ-G51B PZ-G51CB PZ-G51CN PZ-G51CP PZ-G51N (PZ-G51T\\PZ-G51NR) PZ-G51P PZ-G52 PZ-G52B PZ-G52CB PZ-G52CN PZ-G52CP PZ-G52N PZ-G52P PZ-G61B PZ-G61N PZ-G61P PZ-M11 PZ-G41BPZ-G41CP PZ-G41CN PZ-G41CP