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

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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 and prevent 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 article, the position of the graphene sheet affects the interaction of light and graphene, effectively. The Cylindrical diameter of the optical sensor is 4.1 lambda which is the smallest in size among the references checked and has the desired performance from room temperature to 2000 degrees Kelvin, indicating the suitable efficiency of the sensor and the fiber 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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