Detection of Low-Concentration Biological Samples Based on a QBIC Terahertz Metamaterial Sensor
Bing Dong,
Bo Wei,
Dongshan Wei
et al.
Abstract:Quasi-bound state in the continuum (QBIC) can effectively enhance the interaction of terahertz (THz) wave with matter due to the tunable high-Q property, which has a strong potential application in the detection of low-concentration biological samples in the THz band. In this paper, a novel THz metamaterial sensor with a double-chain-separated resonant cavity structure based on QBIC is designed and fabricated. The process of excitation of the QBIC mode is verified and the structural parameters are optimized af… Show more
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