Figure 9
From: Tunable multichannel Fibonacci one-dimensional terahertz photonic crystal filter

The transmission spectrum of the third-order F-1D PhC for TM polarization state under normal incidence corresponding to period numbers \(N=4\) and Fermi energies, (a) \({E}_{F}=60\)Â meV, (b) \({E}_{F}=70\)Â meV, and (c) \({E}_{F}=80\)Â meV.