Distribution of THz electric field in the split-ring resonator metamaterials based on the thin film geometry
Section snippets
Conclusions
In summary, we investigated the THz electric field enhancement around the split-ring resonator prepared on the polyimide film grown on the Si substrate and also its complementary structure. Depending on the dielectric constant of the relatively thin film layer compared to that of the thick substrate layer, the field enhancement can be maximized beneath the SRR pad or the central gap region of the SRR. When investigating the non-equilibrium state induced by the strong THz electric field, it is
Acknowledgments
This work was supported in part by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (Nos. 2015R1A1A1A05001560, NRF-2015R1A5A1009962, and NRF-2015R1A5A1009962), and also by the Top Brand Project and Advanced Photonics Research Institute (APRI) research program (Asian Laser Center) through a grant provided by the Gwangju Institute of Science and Technology in 2015.
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