[EN] We obtained chirped gratings by performing hot water gradient thermal annealing of uniform poly (methylmethacrylate) (PMMA) microstructured polymer optical fiber Bragg gratings (POFBGs). The proposed method's simplicity ...
Gasca-Tirado, José Ramón; Manzano Ramirez, Alejandro; Villaseñor-Mora, Carlos; Muñiz-Villarreal, M. S.; Zaldivar-Cadena, A. A.; Rubio-Ávalos, José Carlos; Amigó Borrás, Vicente; Nava Mendoza, Rufino(Elsevier, 2012-05-01)
In the present paper, it is described a procedure to ion exchange in an aluminosilicate inorganic polymer (geopolymer) in order to incorporate photoactive TiO 2. Metakaolin base geopolymers synthesized at 40 and 90 °C were ...