Performance parameters evaluation of surface plasmon resonance based fiber optic sensor with different bilayer metals: Theoretical study.

Murtadha Faaiz Sultan; Ali A. Al-Zuky; Shehab A. Kadhim

doi:10.23851/mjs.v29i1.248

Authors

Murtadha Faaiz Sultan Al-Mustansiriyah University/ college of science/ physics department http://orcid.org/0000-0003-2029-1573
Ali A. Al-Zuky Al-Mustansiriyah University/ college of science/ physics department
Shehab A. Kadhim ministry of science and technology

DOI:

https://doi.org/10.23851/mjs.v29i1.248

Keywords:

surface plasmon resonance, optical fiber sensor, bilayer metal, performance parameters.

Abstract

Surface plasmon resonance (SPR) based fiber optic sensor with three types of bilayer configurations (silver/gold, copper/gold, and aluminum/gold) is theoretically analyzed. Performance parameters like sensitivity, signal to noise ratio, figure of merit, and resolution are evaluated for each configuration. Signal to noise ratio (SNR), and figure of merit (FOM) are enhanced very well for the selected bilayer configurations as the outer gold layer thickness increased, the sensitivity enhanced also but with small frictions while the resolution has decreased slightly.

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Author Biography

Murtadha Faaiz Sultan, Al-Mustansiriyah University/ college of science/ physics department

lecturer and Ph.D. student in the physics department

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