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 of the dual-band filter with frequency for different cross-lengths: (a) large cross a , and (b) small cross b .