结果得出，缺陷模介质的折射率越小，产生的超窄滤波带滤波性能越好；
The results are revealed as follows. The smaller the refractive index of dielectric of defect mold is, the better the performance of super narrow band optical filer is.
小球的半径、折射率越小，以及环境的粘滞系数越大，小球轨迹的振荡越弱，收敛速度越快。
Smaller particles and larger viscosity of surrounding medium resulted in less oscillation and faster convergence to the parabolic line.
要得到折射率为- 1的情况，则入射光归一化频率越小，光子晶体的波导宽度要相应越大。
To obtain refractive index of -1 decreasing the incident light frequency and enlarging the waveguide width are both necessary.
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