A miniaturized evanescent mode HMSIW humidity sensor

Chang-Ming Chen,Jun Xu,Yao Yao

doi:10.1109/cirsyssim.2017.8023177

A miniaturized evanescent mode HMSIW humidity sensor

Chang-Ming Chen, Jun Xu + Show 1 more

https://doi.org/10.1109/cirsyssim.2017.8023177

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Publication Date: Jul 1, 2017

Citations: 4

Affiliation: University of Electronic Science and Technology of China, Chengdu University of Information Technology

#Half-mode Substrate Integrated Waveguide #Complementary Split Ring Resonator + Show 8 more

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Abstract

A passive evanescent mode half-mode substrate integrated waveguide (HMSIW) resonator loaded with a complementary split ring resonator (CSRR) is designed and fabricated for humidity sensing applications. The use of the CSRR which is etched on the top plane of the HMSIW can significantly reduce the size of the device. Without any sensing material, the sensor which has a compact size of 5.8 mm×5.8 mm can provide high humidity sensitivity up to 5.82 MHz/%RH at high relative humidity (RH) region (>84.3%). The results indicate that the proposed structure is a promising candidate for radio and microwave humidity sensing applications.

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