Temperature sensor based on gold nanoparticles deposition in plastic optical fiber

A. Fresno-Hernández; B. García-Cámara; C. Vázquez

doi:10.1117/12.2680641

23 May 2023 Temperature sensor based on gold nanoparticles deposition in plastic optical fiber

A. Fresno-Hernández, B. García-Cámara, C. Vázquez

Proceedings Volume 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023); 126432V (2023) https://doi.org/10.1117/12.2680641
Event: European Workshop on Optical Fibre Sensors (EWOFS 2023), 2023, Mons, Belgium

Abstract

This article presents a novel approach for fabricating a temperature sensor by depositing nanoparticles on the surface of a plastic optical fiber (POF). The sensor utilizes the principle of surface plasmon resonance (SPR) and exploits the temperature-dependent changes in refractive index (RI) of the surrounding medium. The nanoparticles are deposited over the fiber surface using a micropipette, and the resulting sensor is characterized using a custom-built experimental setup. The sensor showed a linear response to temperature changes in the range of 10°C to 35°C, with a sensitivity of 0.457 nm/°C. The proposed sensor has several advantages over existing temperature sensors, such as low cost, ease of fabrication, and compatibility with a wide range of optical fibers. Overall, this work demonstrates the potential of using SPR-based sensors for temperature sensing applications, and paves the way for future research in this area.

Citation Download Citation

A. Fresno-Hernández, B. García-Cámara, and C. Vázquez "Temperature sensor based on gold nanoparticles deposition in plastic optical fiber", Proc. SPIE 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023), 126432V (23 May 2023); https://doi.org/10.1117/12.2680641

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