Angular dependence of the thermal-lens effect on LiSrAl'F IND.6' and LiSrGa'F IND.6' single crystals - Steimacher, Alysson; Sakai, Otavio Akira; Bento, Antonio Carlos; Baesso, Mauro Luciano; Medina, Antonio N.; Lima, Sandro Márcio; Catunda, Tomaz (Optics Letters, 2008)