COATINGS CHARACTERIZATIONS BY THE MIRAGE EFFECT AND THE PHOTOTHERMAL MICROSCOPE J. P. ROGER, D. FOURNIER, A. C. BOCCARA et F. LEPOUTREJ. Phys. Colloques, 50 C5 (1989) C5-295-C5-310DOI: https://doi.org/10.1051/jphyscol:1989537