By using the strain-sensitive characteristics of fiber Bragg gratings(FBG), a metal corrosion sensor is proposed and demonstrated in this paper.
介绍了一种基于光纤布拉格光栅（FBG）应变敏感特性的金属锈蚀传感器。
Physical idea of the vector method is clear, stable and convergent. The diffraction problem of plane wave with polarization incident upon 2-d sub-wavelength metal gratings can be processed.
这种矢量模式方法物理概念清晰且稳定收敛，可以处理任意偏振态平面波入射到二维亚波长金属光栅中的衍射问题。
Electromagnetic field in various layers of 2-d metal gratings can be described with vector mode field.
用矢量模式场来描述二维金属光栅各层中的电磁场。
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