Mechanically tunable metamaterials terahertz dual-band bandstop filter
Hu Fangrong1, 3, †, Xu Xin1, Li Peng1, Xu Xinlong2, Wang Yue’e1
       

(color online) Transmission spectrum of outer Ohm-ring (a) and surface current distributions at (b) φ = 0°, THz, (c) , THz, (d) φ = 30°, THz, (e) φ = 60°, THz, (f) φ = 60°, THz, and (g) φ = 90°, THz.