1. Trevo Coronel Aviador José Alberto Albano do Amarante; Photonics Division, Institute for Advanced Studies/DCTA; 1, São José dos Campos, SP CEP 12228-001 Brazil
2. Federal University of São Paulo; R. Talim, 330, São José dos Campos, SP CEP 12231-280 Brazil
3. Chemical Engineering Department; Maringá State University; Maringá Av. Colombo 5790, PR, 87020-900 Brazil
4. Materials and Technology Department; São Paulo State University - UNESP, Av. Ariberto Pereira da Cunha; 333, Guaratinguetá, SP CEP 12516-410 Brazil