中文说明：
研究FDTD模拟一维光子晶体中的光波传输，并利用此方法计算了电磁波在一维光子晶体中的电场和磁场的空间分布以及一维光子晶体的透射谱。
English Description：
This paper studies the FDTD simulation of light wave transmission in one-dimensional photonic crystals, and uses this method to calculate the spatial distribution of electric and magnetic fields and the transmission spectrum of one-dimensional photonic crystals