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In this paper, based on silicon-on-glass technology, a new THz dielectric waveguide structure is proposed. The proposed waveguide is low loss, and has a mechanically stable structure. The new waveguide is scalable to higher frequencies in THz band. Theoretical and experimental results for 500 to 700 GHz frequency range are presented. The introduced waveguide can be a platform for highly sensitive...
A Terahertz planar periodic structure (engineered material), which shows several sharp Fano resonances, is introduce. These resonances are due to the small asymmetries of the structure which allow excitation of trapped modes. These sharp resonances can be used for biomedical sensing applications. HFSS simulation results are presented.
We experimentally demonstrate a low-cost colorimetric sensor in which the change in surrounding refractive index is measured using simple image processing. This sensor consists of two-dimensional gold nanopatch grating on a highly reflective mirror.
The performance of a periodic metallic structure for ultra-high sensitivity of dielectric permittivity measurement at THz is presented. Of primary focus in this work are highly sub-wavelength thin samples at THz range of frequencies. The proposed periodic metallic structure is able to guide strongly confined surface plasmon-like modes, which is highly sensitive to very small change in refractive index...
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