Abstract
In this study metamaterial based (MA) absorber sensor, integrated with an X-band waveguide, is numerically and experimentally suggested for important application including pressure, density sensing and marble type detecting applications based on rectangular split ring resonator, sensor layer and absorber layer that measures of changing in the dielectric constant and/or the thickness of a sensor layer. Changing of physical, chemical or biological parameters in the sensor layer can be detected by measuring the resonant frequency shifting of metamaterial absorber based sensor. Suggested MA based absorber sensor can be used for medical, biological, agricultural and chemical detecting applications in microwave frequency band. We compare the simulation and experimentally obtained results from the fabricated sample which are good agreement. Simulation results show that the proposed structure can detect the changing of the refractive indexes of different materials via special resonance frequencies, thus it could be said that the MA-based sensors have high sensitivity. Additionally due to the simple and tiny structures it could be adapted to other electronic devices in different sizes.
Highlights
Metamaterial absorbers are more susceptible and obtainable materials for applications [1-2]
We proposed to evaluate numerically and experimentally density, pressure and marble type sensing capable of the metamaterial absorber (MA)
The resonant frequency shift happens depending on the some physical parameters such as density, pressure and dielectric constant
Summary
- Planar Metamaterial Microwave Absorber for all Wave Polarizations Zhu Bo, Wang Zheng-Bin, Yu Zhen-Zhong et al. - A Polarization-Insensitive Broadband Metamaterial Absorber at the Optical Regime Shi Jun-Xian, Zhang Wen-Chao, Xu Wan et al. - Strong and broadband terahertz absorber using SiO2-based metamaterial structure Mo Man-Man, Wen Qi-Ye, Chen Zhi et al. This content was downloaded from IP address 139.179.72.86 on 16/12/2018 at 13:35
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