Enhancement effect of terahertz wave in split ring resonators

Qinglong Meng; Bing Zeng; Wenyi Shao; Bin Zhang

doi:10.1117/12.2023560

25 September 2013 Enhancement effect of terahertz wave in split ring resonators

Qinglong Meng, Bing Zeng, Wenyi Shao, Bin Zhang

Proceedings Volume 8841, Current Developments in Lens Design and Optical Engineering XIV; 884112 (2013) https://doi.org/10.1117/12.2023560
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Based on the theory of split ring resonators (SRRs) and the rigorous theory of electromagnetic field, the spatial distributions of the electric field and electric energy density in split ring resonators with different structures such as square, circle and triangle have been analyzed. The variation of electric energy density with different terahertz (THz) frequencies has also been investigated. It can be shown from our numerical simulation results that the electric field enhancement effect occurs in the split ring resonators with square, circle and triangle structures and the electric field near the opening is obviously stronger than that in other regions, especially in the gap of the split ring resonators. The maximum of the electric energy density appears in the opening of the SRRs and the electric field is obviously stronger near the resonance frequency of the SRRs. The results obtained in this paper have important significance on the design of the split ring resonators and the function of resonant magnetic response of left hand materials (LHMs).

Citation Download Citation

Qinglong Meng, Bing Zeng, Wenyi Shao, and Bin Zhang "Enhancement effect of terahertz wave in split ring resonators", Proc. SPIE 8841, Current Developments in Lens Design and Optical Engineering XIV, 884112 (25 September 2013); https://doi.org/10.1117/12.2023560

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