用矢量模式场来描述二维金属光栅各层中的电磁场。
Electromagnetic field in various layers of 2-d metal gratings can be described with vector mode field.
本文根据任意槽形金属光栅的矢量模式理论，对正弦槽光栅和半椭圆槽光栅的情况进行了推导和数值计算。
According to the vector modal theory for any shape profile metallic grating, the diffraction fields are studied numerically.
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。
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.
应用推荐