Evolution of Surface Plasmon Supermodes in Metal-Clad Microwire and its Potential for Biosensing

Aminah, N. S., Themistos, C., Hidayat, R., Djamal, M. & Rahman, B. M. (2017). Evolution of Surface Plasmon Supermodes in Metal-Clad Microwire and its Potential for Biosensing. Journal of Lightwave Technology, 35(21), pp. 4684-4691. doi: 10.1109/JLT.2017.2753318

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Abstract

A finite-element method based on the vector H-field formulation in conjunction with perturbation techniques is used to study metal-clad microwire waveguides for bio-sensing applications. Sensors are designed to detect DNA hybridization through the change of the effective index and attenuation constant of the waveguide structure. The key parameters, such as effective index, loss coefficient, and spot sizes, are presented and potential sensor applications are discussed.

Item Type: Article
Additional Information: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords: Finite element method, microwire, optical sensing, surface plasmon resonance
Divisions: School of Engineering & Mathematical Sciences > Engineering
URI: http://openaccess.city.ac.uk/id/eprint/18509

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