Design and theoretical study of a polarization-insensitive multiband terahertz metamaterial bandpass filter
Li Hai-Peng, Fu Wen-Yue, Shen Xiao-Peng, Han Kui, Wang Wei-Hua
       

(color online) Simulated transmission (blue solid line) and reflection (red dash line) spectra of the triple-band BPF using metamaterials.