Abstract
<span>Theoretical studies have been done related to the phenomenon of surface plasmon resonance <span>(SPR) on the system with addition of silver nanoparticles (AgNPs) that was modeled as a <span>sensing instrument. Model is built with AgNPs placed as an additional layer over the <span>conventional SPR system. Quantitative analysis on the model will provide a response in the <span>form of reflectance spectrum as a function of incident angle that showed SPR angle (<span> <span><em>SPR </em><span>) <span>point and the attenuation. To know how the AgNPs in various sizes affect the resonance <span>coupling, it will be calculated the dispersion relation curves obtained as the solution of <span>M<span>axwell’s equations. Coupling between surface plasmon wave and evanescent wave will <span>provide the resonance angle on the intersection of the two curves. Computational analysis of <span>ATR method, demonstrate how the addition of AgNPs in sensing instrument configuration will <span>improve performance of such instruments, visualized by SPR angle shift.</span></span></span></span></span></span></span></span></span></span><br /></span></span></span></span></span>
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