Slab Waveguide Sensor with Left-handed Material Core Layer for Detection an Adlayer Thickness and Index

Authors Hani M. Kullab, Ibrahim M. Qadoura, Sofyan A. Taya

Physics Department, Islamic University of Gaza, P.O. Box 108, Gaza, Palestinian Authority

Issue Volume 7, Year 2015, Number 2
Dates Received 01 November 2014; published online 10 June 2015
Citation Hani M. Kullab, Ibrahim M. Qadoura, Sofyan A. Taya, J. Nano- Electron. Phys. 7 No 2, 02039 (2015)
PACS Number(s) 42.65.Wi, 42.65.Tg, 42.25.Bs
Keywords Left-handed materials (2) , Waveguides (3) , Surface sensing.
Annotation A four-layer slab waveguide structure with a lossy left-handed material (LHM) core layer is investigated as a surface sensor for detection any change in an adlayer thickness and refractive index. The sensitivities of the effective refractive index to any change in the refractive index/thickness of the adlayer are derived and studied with the parameters of the LHM. It is found that a slight change in the real parts of the permittivity and permeability of the LHM can significantly improve the sensitivity of the proposed sensor.

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