Quantum yield measurements by thermal lens in highly absorbing samples: the case of highly doped rhodamine B organic/silica xerogels - Santos, Jéssica Fabiana Mariano dos; Zanuto, Vitor Santaella; Silva, Maryleide Ventura da; Bramorski, Camila Barbosa; Catunda, Tomaz; Manoel, D. S.; Malacarne, L. C.; De Vicente, Fábio Simões (Physical Review Materials, 2019)