Optimization of metal-clad waveguide sensors

N. Skivesen; R. Horvath; H.C. Pedersen

doi:10.1016/j.snb.2004.09.014

Optimization of metal-clad waveguide sensors

N. Skivesen, R. Horvath, H.C. Pedersen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

The present paper deals with the optimization of metal-clad waveguides for sensor applications to achieve high sensitivity for adlayer and refractive index measurements. By using the Fresnel reflection coefficients both the angular shift and the width of the resonances in the sensorgrams are taken into account. Our optimization shows that it is possible for metal-clad waveguides to achieve a sensitivity improvement of 600% compared to surface-plasmon-resonance sensors.

Original language	English
Journal	Sensors and Actuators B: Chemical
Volume	106
Issue number	2
Pages (from-to)	668-676
ISSN	0925-4005
DOIs	https://doi.org/10.1016/j.snb.2004.09.014
Publication status	Published - 2005

Keywords

Biosensor
Metal-clad
Evanescent wave
Waveguide sensor
Surface plasmon

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AB - The present paper deals with the optimization of metal-clad waveguides for sensor applications to achieve high sensitivity for adlayer and refractive index measurements. By using the Fresnel reflection coefficients both the angular shift and the width of the resonances in the sensorgrams are taken into account. Our optimization shows that it is possible for metal-clad waveguides to achieve a sensitivity improvement of 600% compared to surface-plasmon-resonance sensors.

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KW - Biosensor

KW - Metal-clad

KW - Evanescent wave

KW - Waveguide sensor

KW - Surface plasmon

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DO - 10.1016/j.snb.2004.09.014

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Optimization of metal-clad waveguide sensors

Abstract

Keywords

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