A Printed Circuit Board metamaterial for H9N2 avian flu virus sensing based on plasmonic induced transparency in THz regime

Document Type : Articles

Authors

1 Physics Department, Payame Noor University, Tehran, Iran

2 Physics Department, Vali-e-Asr University, Rafsanjan, Iran

Abstract

In this article, plasmonic induced transparency (PIT) in a structure consisting of a hybrid split ring resonator has been investigated and researched using computer simulation. One of the most important advantages of the structure is its design based on availability and cheapness Printed Circuit Boards (PCBs) and operation on the THz regime as well. Internal rotation Split Ring Resonators (SRRs) create the PIT effect on the structure by breaking the angular symmetry of the inner ring while the outer ring is fixed. In this article, change in different parameters including the inner and outer radius of the rings, the width of the rings, the gap size, the distance between the left and right rings and the thickness of the substrate have been investigated and the effect of each on improving the transparency of plasmonic induction has been reported. It is shown that the structure can be introduced as a refractive index sensor. Some sensitivity of 240GHz/RIU is reported for the structure. The structure has also been shown to be a good candidate for the detection of H9N2 avian influenza virus.

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