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Microwave Dielectric Sensing in Hyperbolically Dispersive Media | IEEE Journals & Magazine | IEEE Xplore

Microwave Dielectric Sensing in Hyperbolically Dispersive Media


Abstract:

We propose microwave dielectric sensing by exploiting the highly sensitive frequency response of hyperbolically dispersive media. Through dispersion analysis, we show tha...Show More

Abstract:

We propose microwave dielectric sensing by exploiting the highly sensitive frequency response of hyperbolically dispersive media. Through dispersion analysis, we show that the hyperbolic media are both spatially and spectrally sensitive to very slight changes in the constitutive dielectric material. We practically demonstrate the concept of microwave sensing in microstrip-based metallic grid structure cells fabricated on a grounded dielectric substrate. High dielectric sensitivities are shown when dielectric samples are placed in the path of the resonance cones, which are the characteristic high-field regions in hyperbolic medium under resonance. We demonstrate the resonant frequency shifts for the relative permittivities in the range of 1-3.5.
Published in: IEEE Sensors Letters ( Volume: 1, Issue: 6, December 2017)
Article Sequence Number: 1500804
Date of Publication: 02 November 2017
Electronic ISSN: 2475-1472

References

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