Split-Ring Resonator-Based Strain Sensor on Flexible Substrates for Glaucoma Detection

Gizem Ekinci, Arda Deniz Yalcinkaya, Gunhan Dundar, Hamdi Torun*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

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Abstract

This paper presents split-ring resonator-based strain sensors designed and characterized for glaucoma detection application. The geometry of the sensor is optimized such that it can be embedded in a contact lens. Silver conductive paint is to form the sensors realized on flexible substrates made of cellulose acetate and latex rubber. The devices are excited and interrogated using a pair of monopole antennas and the characteristics of devices with different curvature profiles are obtained. The sensitivity of the device, i.e. the change in resonant frequency for a unit change in radius of curvature, on acetate film is calculated as -4.73 MHz/mm and the sensitivity of the device on latex is 33.2 MHz/mm. The results indicate that the demonstrated device is suitable for glaucoma diagnosis.

Original languageEnglish
Article number012019
JournalJournal of Physics: Conference Series
Volume757
Issue number1
DOIs
Publication statusPublished - 2016
Externally publishedYes
Event27th Micromechanics and Microsystems Europe Workshop, MME 2016 - Cork, Ireland
Duration: 28 Aug 201630 Aug 2016

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