二维金属光子晶体的研究近来引起人们越来越多的兴趣．它与介质光子晶体相比有一些特殊的性质．此外，它能用较小的体积来获得必要的消光比．因此，作为光电器件，如，滤波器，偏振器及反射器等，在THZ和微波波段有较好的应用前景．但因为金属元件的反射损耗大，至今，透过率的 Recently, the research of two-dimensional metallic photonic crystals has aroused more and more interest. It has some special properties compared with dielectric photonic crystals. In addition, it achieves the necessary extinction ratio with a smaller volume. Therefore, as the optoelectronic devices, such as filters, polarizers and reflectors, etc., in the THZ and microwave bands have a better prospect. But because of the large reflection loss of metal components, so far, the transmittance