polarization SAR极化SARpolarizationn.极化polarization-maintaining fiber coil保偏光纤环Polarization state of scattered light散射光的偏振态polarization division multiple access极化分集多址polarization plane rotation circulator极化面旋转式环行器Polarization-dependent amplification偏振相关放大polarization method for ophthalmoscopy偏振滤片检眼镜检查法:用偏振滤片消除角膜反射作用Polarization state of refractive light折射光的偏振态polarization maintaining optical fibre保偏光纤polarization maintaining fiber grating保偏光纤光栅polarization maintaining optical fiber保偏光纤