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Mode-selective dielectric resonator coupled to dielectric image waveguide for sensing applications

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4 Author(s)
M. Neshat ; Electrical and Computer Engineering Department, University of Waterloo, Waterloo, Ontario, Canada ; D. Saeedkia ; S. Gigoyan ; S. Safavi-Naeini

In this paper, multi-mode dielectric resonators coupled to dielectric image waveguides are investigated for mm-wave sensing applications. It is demonstrated both numerically and experimentally that for each resonance mode, there is a critical coupling condition under which the corresponding mode will have a pronounced response with higher Q-factor compared to the other existing resonance modes. The proposed structure is attractive for sensor devices with high sensitivity, particularly because its resonance frequency can be adjusted over a wide range of millimeter-wave spectrum.

Published in:

2007 Joint 32nd International Conference on Infrared and Millimeter Waves and the 15th International Conference on Terahertz Electronics

Date of Conference:

2-9 Sept. 2007