Deposition and characterization of germanate glass optical waveguides - Cacho, Vanessa Duarte del; Kassab, Luciana Reyes Pires; Santos, Antonio Domingues dos; Alayo Chávez, Marco Isaías; Silva, Davinson Mariano da; Siarkowski, Acácio Luiz (International Conference on the Physics of Non-Crystalline Solids, 2009)