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http://hdl.handle.net/20.500.12358/25801
TitleGoos–Hänchen shift as a probe in evanescent slab waveguide sensors
Untitled
Abstract

The present paper deals with three-layer planar waveguide optical sensor. Different from the conventional slab waveguide sensors in which the effective refractive index of the propagating mode is taken to be the probe for detection changes in the analyte refractive index, we adopt Goos–Hänchen (GH) shift as the sensing probe for the proposed sensor. We show that the GH shift is strongly dependent on the refractive index of the cladding, thus it is a good candidate for detection changes in the analyte refractive index. We present and study the sensitivity of the GH shift at the cladding–film and substrate–film interfaces. It is found that GH shift has a high sensitivity and can be used for versatile optical slab waveguide sensors.

Authors
Taya, Sofyan A.
El-Farram, Eman J
El-Agez, Taher M.
TypeJournal Article
Date2012
Published inAEU-International Journal of Electronics and Communications
SeriesVolume: 66, Number: 3
PublisherUrban & Fischer
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  • Staff Publications- Faculty of Science [910]
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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