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An Acoustic Add-Drop Filter in a Phononic Crystal for High-Sensitivity Detection of Methanol in Ethanol in the Liquid Phase
(Institute of Electrical and Electronics Engineers, 2022)
An add-drop filter based on linear waveguides coupled through a ring resonator in a two-dimensional phononic crystal is introduced and its operation in detecting methanol concentration in ethanol is numerically investigated. ...
Determination of methanol concentration in ethanol in liquid phase by a phononic crystal Mach-Zehnder interferometer
(Physical Societies of the Nordic Countries, 2021)
A practical and portable ultrasonic interferometric sensor to detect methanol concentration in ethanol in the liquid phase is numerically investigated. For high-sensitivity operation, the sensor is designed as a Mach-Zehnder ...