Design and Optimization of the Tunability and Sensing Properties of a Composite Ceramic-Based Metamaterial Sensor

The article presents a comprehensive study on the design and optimization of a composite ceramic-based metamaterial sensor, focusing on its tunability and sensing properties in the terahertz frequency band. The research introduces an all-dielectric structure strategy that replaces traditional metal layers with ceramic materials, addressing the inherent loss issues at high frequencies. The sensor demonstrates dual-mode absorption performance and high-temperature sensing capabilities, with absorption peaks that can be transformed into absorption bands under specific conditions. The study also explores the relationship between geometric parameters and absorption properties, as well as the thermal conductivity and temperature sensing performance of the metamaterial. Experimental results validate the sensor's potential for applications in temperature sensing, thermal performance measurement, and other advanced sensing technologies. The article provides a detailed analysis of the structural design, simulation results, and experimental measurements, offering insights into the unique properties and advantages of the proposed ceramic-based metamaterial sensor.