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Wide dynamic range microwave planar coupled ring resonator for sensing applications
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- Author(s) / Creator(s)
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A highly sensitive, microwave-coupled ring resonator with a widedynamic range is studied for use in sensing applications. The resonator'sstructure has two resonant rings and, consequently, two resonantfrequencies, operating at 2.3 and 2.45 GHz. Inductive and capacitive coupling mechanisms are explored and compared to study their sensingperformance. Primary finite element analysis and measurement results are used to compare the capacitive and inductive coupled ringresonators, demonstrating sensitivity improvements of up to 75% and dynamic range enhancement up to 100% in the capacitive coupledstructure. In this work, we are proposing capacitive coupled planar ringresonators as a wide dynamic range sensing platform for liquid sensingapplications. This sensing device is well suited for low-cost, real-time low-power, and CMOS compatible sensing technologies.
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- Date created
- 2016-01-01
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- Subjects / Keywords
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- Type of Item
- Article (Published)
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- License
- © 2016 AIP Publishing LLC. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Zarifi, Mohammad H., & Daneshmand, Mojgan. (2016). Wide dynamic range microwave planar coupled ring resonator for sensing applications. Applied Physics Letters, 108(23), 232906 and may be found at http://doi.org/10.1063/1.4953465