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In this paper, a non destructive technique is presented for detection of adulteration in common edible oils using the proposed microwave planar resonant sensor. The proposed sensor is operating in the ISM (industrial, scientific and medical) frequency band of 5.85 GHz. The sensor is designed using the full wave electromagnetic solver, the CST Microwave Studio, and an empirical model of the proposed...
A novel planar epsilon-near-zero (ENZ) tunnel sensor is designed using the surface integrated waveguide (SIW) technology for detection of contamination in various liquid solutions. The contamination is detected in terms of the volumetric percentage by measuring the change in the dielectric properties of reference and adulterated solutions. The method is based on the cavity perturbation technique in...
A novel microwave SIW cavity based microfluidic sensor is designed and fabricated for detection and determination of dielectric constant of common liquids at 2.45 GHz. The technique is based on material perturbation theory. The developed sensor is the miniaturized version of the conventional rectangular cavity where the lateral walls are shorted with copper film coating. The proposed sensor is planar,...
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