Simulation and Experimental Study of Terahertz Wave Transmission Characteristics Based on Periodic Metal Open Resonant Ring Structures | Zendy

Yunpeng Ren | Zendy; Zhiyu Li | Zendy; Yan Chen | Zendy; Yunxia Ye | Zendy; Zhiduo Xin | Zendy; Heng Lü | Zendy; Hanyu Wan | Zendy; Jianquan Yao | Zendy

Open Access

Simulation and Experimental Study of Terahertz Wave Transmission Characteristics Based on Periodic Metal Open Resonant Ring Structures

Author(s) -

Yunpeng Ren,

Zhiyu Li,

Yan Chen,

Yunxia Ye,

Zhiduo Xin,

Heng Lü,

Hanyu Wan,

Jianquan Yao

Publication year - 2021

Publication title -

international journal of optics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.263

H-Index - 17

eISSN - 1687-9392

pISSN - 1687-9384

DOI - 10.1155/2021/6663146

Subject(s) - terahertz radiation , transmission (telecommunications) , transmission coefficient , materials science , substrate (aquarium) , spectrometer , ring (chemistry) , optics , metal , optoelectronics , physics , telecommunications , computer science , chemistry , oceanography , organic chemistry , metallurgy , geology

Different open resonant ring structures with substrate of polyimide were designed. The transmission characteristics of the structures for terahertz wave were investigated by simulation and experiment. The results show that the transmission peak of the structures moves to high frequency with increase of thickness of the metal layer. With increase of substrate thickness, the transmission peak moved to low frequency and the transmissivity decreased. The influence of number of “C” shape open resonant rings in the unit structure on the transmission characteristics of terahertz wave was also studied. It is found that when the number of “C” shape open resonant rings increases from one to two, more transmission peaks appeared in the frequency of 0.2–2 THz. The transmissivity of the designed structures was tested by terahertz time-domain spectrometer (THz-TDS). The experimental results showed good agreement to the simulation results.

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