Single-layer dual-band terahertz filter with weak coupling between two neighboring cross slots

Qi Li-Mei^a),^b), Li Chao†^a), Fang Guang-You^a), Li Shi-Chao^a)

Variations of transmission with frequency of the dual-band filter for different cross-widths, (a) large cross w ₁, and (b) small cross w ₂.