介绍了负折射率现象及其优良的光学性能,并从麦克斯韦方程出发推导了正负折射率介质薄层的转移矩阵,经模拟计算发现:正负折射率交替的一维光子晶体有很宽的光子禁带和狭窄的透带,而且无论是TE波还是TM波在中心波长光学特性几乎都不受角度的影响,可用作宽带全方位反射镜,可望在在光路集成、光通信领域得到广泛地应用。 The phenomenon of negative refractive index and its excellent optical properties are introduced. Based on the Maxwell equations, the transfer matrix of the thin films with positive and negative refractive index is deduced. The simulation results show that the one-dimensional photonic crystals with alternating positive and negative refractive indices have very wide Photonic band gap and narrow band, and whether the TE wave or TM wave at the center wavelength of optical properties are almost not affected by the angle, can be used as broadband omni-directional mirror, is expected in the light path integration, optical communication field Widely used.