Article Dans Une Revue Optik Année : 2025

Enhancing a bimetallic temperature highly-sensitive nanosensor based on surface plasmon resonance

Résumé

In this work we have investigated a new design of high sensitivity temperature sensor, based on surface plasmon resonance (SPR) nanotechnology. The aim of this study is to detect small temperature variations by analyzing the plasmonic response of our SPR design. We have based our sensor on the bimetallic Kretschmann configuration at a wavelength of 633 nm. The main objective of our design is to measure the refractive index of the sensing medium as the sample temperature changes, in order to calculate sensitivity. A change in temperature induces a change in the local refractive index, leading to a shift in the surface plasmon resonance wavelength. The results also show a very high localization of the field intensity at the metal/detection medium interface. This new plasmonic design has the potential for biomedical thermal sensing applications.

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Dates et versions

hal-05066935 , version 1 (14-05-2025)

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Citer

Fatima Houari, Mohamed El Barghouti, Abdellah Mir, Abdellatif Akjouj. Enhancing a bimetallic temperature highly-sensitive nanosensor based on surface plasmon resonance. Optik, 2025, 332, pp.172366. ⟨10.1016/j.ijleo.2025.172366⟩. ⟨hal-05066935⟩
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