A Water Monitoring System for Proton Exchange Membrane Fuel Cells Based on Ultrasonic Lamb Waves: An Ex Situ Proof of Concept. - Zehua Dou; Bowen Fang; Laura Tropf; Harry Ernst Hoster; Hagen Schmidt; Jürgen Czarske; David Weik (IEEE Trans. Instrum. Meas., 2023)

A Dual-Mode Surface Acoustic Wave Delay Line for the Detection of Ice on 64°-Rotated Y-Cut Lithium Niobate. - Philipp Schulmeyer; Manfred Weihnacht; Hagen Schmidt (Sensors, 2024)