Volume 4, Issue 5, September 2016, Page: 43-46
Enhancing Sensor Sensitivity Using Graphene-MTM Interface
R. J. El-Khozondar, Physics Department, Al-Aqsa University, Gaza, Palestine
H. J. El-Khozondar, Electrical Engineering Department, Islamic University, Gaza, Palestine
M. M. Shabat, Physics Department, Islamic University, Gaza, Palestine
Received: Aug. 11, 2016;       Accepted: Nov. 12, 2016;       Published: Jan. 17, 2017
DOI: 10.11648/j.nano.20160405.11      View  2496      Downloads  95
Abstract
Sensitivity of a waveguide sensor consists of Graphene monolayer between metamaterials (MTMs) layer from below and dielectric layer from above is studied. In this work, we only considered Transverse Magnetic (TM) surface plasmon (SP) at terahertz (THz) range of frequency. Thus, Graphene is assumed to have constant surface conductivity with positive imaginary part. The homogenous sensitivity is derived from the dispersion equation and numerically calculated at different values of MTM parameter. Results show that this structure is valid as a very sensitive sensor that is capable of sensing small signals. Moreover, the sensitivity varies as MTM parameters varies at frequency ranges from 1-10 THz.
Keywords
Graphene, Metamaterials, Waveguide Sensor, Plasmon, TM, Sensitivity
To cite this article
R. J. El-Khozondar, H. J. El-Khozondar, M. M. Shabat, Enhancing Sensor Sensitivity Using Graphene-MTM Interface, American Journal of Nano Research and Applications. Vol. 4, No. 5, 2016, pp. 43-46. doi: 10.11648/j.nano.20160405.11
Copyright
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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