Time-resolved thermal lens measurements of thermo-optical properties of fluoride glasses - Lima, S M; Sampaio, J. A.; Catunda, Tomaz; Lebullenger, Ronan; Hernandes, Antônio Carlos; Baesso, Mauro Luciano; Bento, A C; Gandra, Flávio C Guimarães (Journal of Non-Crystalline Solids, 1999)