Abstract:Since the frequency range accords with the fingerprint characteristics of many biomacromolecular materials, terahertz (THz) waves are widely used in the detection of biomacromolecular materials. However, when it is used for real application, how to measure the spectral of trace-amount analysis samples is a major challenge. By localizing electromagnetic fields in dielectric meta-grating or metasurfaces is the most popular way to enhance the spectral signal. In this paper, we propose a design of THz structure th… Show more
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