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) C7-279 - C7-281
DOI https://doi.org/10.1051/jp4:1994766
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique

J. Phys. IV France 04 (1994) C7-279-C7-281

DOI: 10.1051/jp4:1994766

Thermal diffusivity and anisotropic effects in transparent polymers using colinear mirage detection

G.C. Pandey1, C. Boué2, D. Fournier2 and A.C. Boccara3

1  Research Center, Indian Petrochemical Corpn. Ltd., Baroda 391346, India
2  Lab. d'Instrumentation, UPMC, UPR A0005 du CNRS, ESPCI, 10 rue Vauquelin, 75005 Paris, France
3  Lab. Optique Physique, UPR A0005 du CNRS, ESPCI, 10 rue Vauquelin, 75005 Paris, France


Abstract
Colinear mirage detection was found to be simple and efficient to solve the problem of thermal diffusivity measurements in transparent polymer foils. Both reliable values have been obtained and anisotropic effects revealed.



© EDP Sciences 1994