band diagram of 2D photonic crystal

代码说明：

  通过使用平面波发计算光子晶体能带图，这个图是我自己弄的，非常辛苦。但是希望能给从事光学研究的朋友的带来帮助。(Calculating the bandgap of a photonic crystal by using a plane wave gives me a very hard picture of myself. But I hope to help those who engage in optical research.)

文件列表：

band diagram of 2D photonic crystal.m, 11269, 2017-11-12