Articles | Volume 5, issue 1
J. Sens. Sens. Syst., 5, 165–170, 2016
https://doi.org/10.5194/jsss-5-165-2016

Special issue: Sensor/IRS2 2015

J. Sens. Sens. Syst., 5, 165–170, 2016
https://doi.org/10.5194/jsss-5-165-2016
Regular research article
10 May 2016
Regular research article | 10 May 2016

Characterisation of the polarisation state of embedded piezoelectric transducers by thermal waves and thermal pulses

Agnes Eydam et al.

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Latest update: 28 Sep 2022
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Short summary
Piezoelectric devices are characterized non-destructively to ensure their functionality. The material is heated by laser diodes. The resulting temperature changes lead to a pyroelectric current. Analytical and numerical finite element models describe the temperature distribution and the current in frequency and time domain. Modelling and experimental results are compared for piezoelectric plates and integrated sensors and actuators.
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