Numéro
J. Phys. IV France
Volume 04, Numéro C7, Juillet 1994
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique
Page(s) C7-51 - C7-54
DOI https://doi.org/10.1051/jp4:1994713
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique

J. Phys. IV France 04 (1994) C7-51-C7-54

DOI: 10.1051/jp4:1994713

Thermal diffusivity measurement by photothermal radiometry under PRBS excitation

K. Hakem, M. Heuret and M. Egee

GRSM/LEO, Faculté des Sciences, BP. 347, 51062 Reims cedex, France


Abstract
Photothermal radiometry is a thermal method leading to the measurement of thermal diffisivity. In this paper we use a pseudo-random excitation. The measurement is accomplished by comparing the experimental results in phase, with some curves, calculated by a mathematical modelling (bidimensionnal and axisymetrical).



© EDP Sciences 1994