Figure 7
From: Tunable multichannel Fibonacci one-dimensional terahertz photonic crystal filter

Transmission spectrum of the third-order F-1D PhC for TE polarization state under normal incidence corresponding to Fermi energy \({E}_{F}=80\)Â meV and period numbers (a) \(N=4\) periods, (b) \(N=5\) periods, and (c) \(N=6\).