@article{article79c93b7f, title = {Fluorescence quantum efficiency measurements in the presence of Auger upconversion by the thermal lens method}, author = {Pilla, Viviane and Catunda, Tomaz and Jenssen, Hans P. and Cassanho, Arlete}, year = {2003}, doi = {10.1364/ol.28.000239}, journal = {Optics Letters} }