Title :
Sensitivity of Lamb wave sensors in liquid sensing
Author :
Wu, Junru ; Zhu, Zhemin
Author_Institution :
Dept. of Phys., Vermont Univ., Burlington, VT, USA
Abstract :
The differences of the sensitivities of liquid- and solid-sensing of Lamb wave sensors are discussed. It is shown that the sensitivity of S/sub 0/ mode in liquid sensing is much smaller than that in solid sensing, and also much smaller than that of the A/sub 0/ mode.
Keywords :
sensitivity; surface acoustic wave delay lines; surface acoustic wave resonators; surface acoustic wave sensors; ultrasonic delay lines; Lamb wave oscillator; Lamb wave sensors; Rayleigh´s perturbation approach; S/sub 0/ mode; US delay line; liquid sensing; mass loading; sensitivity; solid sensing comparison; Acoustic waves; Ferroelectric materials; Kinetic energy; Resonance; Resonant frequency; Solids; Surface waves; Ultrasonics, ferroelectrics, and frequency control; Viscosity; Wavelength measurement;
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on