Monitoring high-temperature sensor with optical performance using graphene in power plant industries

IF 3.8 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IET Nanodielectrics Pub Date : 2025-01-10 DOI:10.1049/nde2.12094

Hadi Sharifi, Aslan Nouri Moqadam, Omid Mohsen Daraei, Ali Pourziad, Mohammad Bemani

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Abstract

Optical sensors getting widespread usage in almost every field, especially industries. A high thermal optical sensor is proposed to predict the environmental temperature in power plants. A high sensitivity, accuracy, low cost, compact size, linear operation, and suitable transmission coefficient optical sensor in a wide thermal range is achieved that changing the surrounding temperature has a severe effect on the conductivity of graphene which changes the transmission power of the sensor. In this paper, the position of the graphene sheet affects the interaction of light and graphene, effectively. A maximum sensitivity of 17.47% is achieved in $500$ K temperature deviation. The Cylindrical diameter is 4.1 lambda, the smallest in size among the references checked and has the desired performance up to 2000 K, indicating the suitable efficiency of the sensor and the fibre optic sensor with graphene coating has great potential in the field of measurement, especially in the temperature of the surrounding atmosphere in the industry.

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