Figure 13
From: Tunable multichannel Fibonacci one-dimensional terahertz photonic crystal filter

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