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用时域有限差分法(Finite-Different Time-Domain,FDTD)中的电流密度卷积(Current Density Convolution,JEC)算法讨论了一维非磁化等离子体光子晶体的禁带周期特性,分析了非磁化等离子光子晶体的周期结构和等离子体参量对其禁带周期的影响.以微分高斯脉冲为激励源,用电磁波通过非磁化等离子体光子晶体后所得的透射系数来讨论非磁化等离子体光子晶体的禁带周期特性.结果表明,通过改变参量可以获得不同的禁带周期特性.
The band gap characteristics of one-dimensional non-magnetized plasma photonic crystals are discussed with the current density convolution (JEC) algorithm in Finite-Different Time-Domain (FDTD) Influence of the Periodic Structure of Photonic Crystals and Plasma Parameters on the Forbidden Band Period The band gap of nonmagnetic plasma photonic crystals is discussed by using the differential Gaussian pulse as the excitation source and the transmission coefficient of the electromagnetic wave passing through the nonmagnetic plasma photonic crystal Periodic characteristics The results show that different band-gap characteristics can be obtained by changing the parameters.