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Determination of the nonequivalence source between electrical and radiative heating in a pyroelectric sensor using experimental voltage response and heat wave propagation theoretical model

Authors
Journal
Sensors and Actuators A Physical
0924-4247
Publisher
Elsevier
Publication Date
Volume
132
Issue
2
Identifiers
DOI: 10.1016/j.sna.2005.07.018
Keywords
  • Pyroelectric Sensor
  • Modeling
  • Electrical Heating
  • Radiative Heating
  • Heat Wave Propagation

Abstract

Abstract This paper shows the capacity of an absolute pyroelectric sensor to compare a laser power with an electrical Joule heating brought to the same sensor. On the one hand, using the voltage experimental responses of the pyroelectric sensor due to an electrical and radiative heating and on the other hand, the theoretical model that we developed concerning the heat wave propagation in the various layers constituting the sensor, we give a method to determine the correction that is necessary to bring to measurements in order to take account of the nonequivalence source between the two modes of heating. An estimation of associated uncertainty is also given.

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