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Measurement of dielectric constant is important because it provides the electrical characteristics of the material which prove useful in research and development fields. A new technique to evaluate the dielectric constant or permittivity of the homogeneous dielectric material using a simple microstrip patch antenna has been developed in present work. The Microstrip patch antenna having resonant frequency...
Simple, compact, robust and handy device for chemical sensing using microstrip-based metamaterial Complementary-Split-Ring-Resonator (CSRR) is proposed. A pseudo-microfluidic channel is fabricated upon the CSRR pattern to form the sensor. Combination of two liquids namely, ethanol and petrol, and their varying combinations are sensed for hybrid fuel applications. Simulation and experimental results...
A methanol sensor based on polymer functionalized Quartz Tuning Fork (QTF) has been demonstrated. Thin polymer wires, formed of different polymers and with different additives, were used to form bridges between the two tines of the QTFs. The mechanical properties of the polymer wires, as well as the effective mass of the wires determine the resonant frequency of the QTF sensor. The interaction of...
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