[19p-E215-1~17] 4.5 Terahertz Photonics

▲ [19p-E215-14] Investigation of terahertz surface plasmonic resonance based on metallic wire woven meshes

〇Borwen You¹, Dejun Liu¹, Ryuji Iwasa¹, Ja-Yu Lu², Toshiaki Hattori¹ (1.Univ. of Tsukuba, 2.Cheng Kung Univ.)

Keywords:Plasmonic structure, Surface wave resonance, Terahertz spectroscopy

The metal wire woven mesh (MWWM) is experimentally investigated in the transmission spectrum of 0.1–1 THz and presented as a THz plasmonic structure with localized resonance field. The investigation expresses that the spectral-dip feature comes from the asymmetry of the MWWM unit, like Fano resonance, and the resonance field longitudinally covers the input and output end faces due to the woven wires, thereby having the large field volume for the near-field sensing applications.