Low DOP (2.6%),low insertion loss (0.6dB) and small insertion loss fluctuation (0.11 dB) are obtained for a linearly polarized light with 0.13 nm spectral width.

• 实验中采用半峰全宽为0.；13 nm的光源；入射线偏振光在任意方向振动时；输出光偏振度小于2