Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 15, issue 1
Articles | Volume 15, issue 1
https://doi.org/10.5194/jsss-15-99-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jsss-15-99-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 1
Regular research article
 | 
25 Jun 2026
Regular research article |  | 25 Jun 2026

Non-contacting determination of the piezoelectric coefficient d33 of lithium tantalate from room temperature up to 400 °C

Hendrik Wulfmeier, Niklas Warnecke, Dhyan Kohlmann, and Holger Fritze

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Short summary
A non-contact, optical methodology suitable for high temperatures based on laser-Doppler vibrometry is presented to directly determine piezoelectric constants. LiTaO3 is chosen as a model material as it is a representative piezoelectric material with applications in sensors and surface acoustic wave devices. The values determined range from 12 pm V-1 at 21 °C to about 15 pm V-1 at 400 °C, being in good agreement with the literature. Thus, the proof of concept for this approach has been obtained.
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