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) C7-405 - C7-408
DOI https://doi.org/10.1051/jp4:1994795
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique

J. Phys. IV France 04 (1994) C7-405-C7-408

DOI: 10.1051/jp4:1994795

Simultaneous photoacoustic and luminescence multiple wavelength experiments

J.O. Tocho1, M. Murphy2, E. Rodríguez3 and F. Cussó3

1  Dto. de Física, Universidad Nacional de La Plata, and Centro de Investigaciones Opticas (CIC-CONIC), Casilla de Correo 124, 1900 La Plata, Argentina
2  Universidad Católica del Norte, Antofagasta, Chile
3  Dto. Física de Materiales C-IV, Universidad Autónoma de Madrid, 28049 Madrid, Spain


Abstract
Fluorescence quantum efficiencies in solid and liquid materials were determined by simultaneous photoacoustic and luminescence experiments after excitation at several wavelengths, with at least one of them connecting a relaxation of known quantum efficiency. Results for Eu2+ in alkaline halide, Cr3+ in LiNbO3, and a cyanine in ethanol solutions, are given.



© EDP Sciences 1994