Analysis of the photopyroelectric signal for investigating thermal parameters of pyroelectric materials

The photopyroelectric signal is analyzed in order to simultaneously obtain the thermal diffusivity and effusivity of pyroelectric materials. Two different experimental configurations are described and compared in terms of accuracy and sensitivity. The information is obtained via a frequency scan of...

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Bibliographic Details
Published in:Review of Scientific Instruments 2003-01, Vol.74 (1), p.618-620
Main Authors: Sahraoui, A. Hadj, Longuemart, S., Dadarlat, D., Delenclos, S., Kolinsky, C., Buisine, J. M.
Format: Article
Language:English
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Summary:The photopyroelectric signal is analyzed in order to simultaneously obtain the thermal diffusivity and effusivity of pyroelectric materials. Two different experimental configurations are described and compared in terms of accuracy and sensitivity. The information is obtained via a frequency scan of the amplitude or the phase of the pyroelectric signal. The methods have been used for the measurement of thermophysical properties of a lead–titanate–zirconate ceramic sample.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1512976