Multi Mode (Reflection and Transmission) Operated Dielectric Resonator based Displacement Sensor
Premsai Regalla, Praveen Kumar A.V
TL;DR
This paper introduces a dielectric resonator displacement sensor that operates in multiple modes, utilizing reflection and transmission parameters to detect displacement with validated numerical and experimental results.
Contribution
It presents a novel multi mode dielectric resonator sensor that combines reflection and transmission modes for displacement measurement, validated through simulation and prototype testing.
Findings
HFSS and VNA responses agree well
Multi mode operation enhances displacement sensitivity
Prototype demonstrates practical feasibility
Abstract
The authors propose a multi mode operated dielectric resonator based displacement sensor. A cylindrical dielectric resonator is coupled to two 50 ohm microstrip lines to enable the multi mode operating feature. The parameters like S11 in reflection mode and S21 in transmission mode are sensitive to DR displacements w.r.to transmission lines. The HFSS is carried out for numerical analysis and the fabricated sensor prototype is realized with VNA measurement. Both the HFSS and VNA responses are in good agreement with each other for this multi mode operation. This reveals the selection of mode freedom to the choice of operation.
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Taxonomy
TopicsAdvanced Fiber Optic Sensors · Semiconductor Lasers and Optical Devices · Sensor Technology and Measurement Systems