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An asymmetric split ring resonator for refractive‐based‐sensor applications at terahertz frequencies
Author(s) -
Wu DongWei,
Chen Hang
Publication year - 2015
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29034
Subject(s) - split ring resonator , resonator , terahertz radiation , metamaterial , figure of merit , microwave , materials science , optics , optoelectronics , sensitivity (control systems) , physics , electronic engineering , engineering , quantum mechanics
We have proposed a terahertz metamaterials resonator that consists of a pair of split ring resonators (SRRs) and can be utilized as a refractive‐based‐sensor. Supporting simulations indicate the resonant Q value is up to 90 and a refractive sensitivity of 61.7 GHz/RIU, figure of merit value of 10.74, correspondingly. Resonator sample of the “connected SRR” has been fabricated and measured using a terahertz time‐domain spectroscopy system, the transmission characteristics of which are consistent basically with the finite difference time domain simulations. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1132–1135, 2015