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本文介绍了新型D型微孔单模光纤偏振器的制作工艺及其性能参数．其工作波长为1．3μm，光纤偏振器的消光比优于40dB，插入损耗≤2．5dB．制作工艺较为简单，温度变化对器件的影响小，稳定性好，工作波长范围宽．
This article describes the new D-type microporous single-mode optical fiber polarizer production process and performance parameters. The working wavelength of 1.3μm, optical polarizer extinction ratio better than 40dB, insertion loss ≤ 2.5dB. Production process is relatively simple, temperature changes on the device small, good stability, wide operating wavelength range.