Journal ArticleDOI
Precise measurement of phase velocity of surface acoustic waves using parallel comb filters
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TLDR
In this paper, an improved technique for measuring SAW velocity using parallel comb filters is reported, and the measured velocity on the free surface of 36° ST-cut quartz is 3151.9 m/s.Abstract:
An improved technique for measuring SAW velocity using parallel comb filters is reported. The measured velocity on the free surface of 36° ST-cut quartz is 3151.9 m/s. The relative standard deviation of ±57ppm means that this is currently the most precise technique to measure SAW velocity.read more
Citations
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Journal ArticleDOI
Effect of a ferroelectric inversion layer on the temperature characteristics of SH-Type surface acoustic waves on 36/spl deg/ Y-X LiTaO/sub 3/ substrates
K. Nakamura,A. Tourlog +1 more
TL;DR: In this article, the temperature coefficient of delay of the SH-type surface acoustic wave on 36/spl deg/Y-X LiTaO/sub 3/ substrates with a ferroelectric inversion layer is theoretically analyzed and it is shown that the temperature characteristics can be improved by an electric-field short-circuiting effect of the domain boundary.
Journal ArticleDOI
Nondestructive measurement of phase velocity of surface acoustic waves using matched filters
TL;DR: A technique for measuring SAW velocity on unprocessed wafers placed on patterns of matched filters made on a glass plate is reported in this paper, where the velocity measured on quartz agrees with the value measured destructively.
Proceedings ArticleDOI
Precise methods for the measurement of fundamental characteristics of SAW in crystals
TL;DR: In this paper, the authors proposed two precise acoustooptics (AO) methods for the measurement of fundamental characteristics of surface acoustic waves (SAW) in crystals.
Journal ArticleDOI
Measuring Velocity, Attenuation, and Reflection in Surface Acoustic Wave Cavities Through Acoustic Fabry–Pérot Spectra
TL;DR: In this paper , the free spectral range and linewidths of cavity peaks are measured to obtain the free surface SAW velocity, SAW propagation attenuation coefficient, and IDT reflection phase and amplitude.
Proceedings ArticleDOI
Precise measurement of SAW velocity using multisectional comb filter
E.A. Kolosovsky,A.V. Tsarev +1 more
TL;DR: In this paper, a multisectional comb filter has been used to measure the SAW velocity with high accuracy (better than 10/sup -4/), which could be used for experimental determination constants of new piezoelectric materials.