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OH- free calcium aluminosilicate glasses for laser emission and smart white lighting

Baesso M.L. (1); Andrade L.H.C. (2); LIma, S.M. (2); Guyot Y. (3); Nunes L.A.O. (4)
1Departamento de Física, Universidade Estadual de Maringá, Maringá, PR, Brazil 2Grupo de Espectroscopia Óptica e Fototérmica, UEMS, Dourados, MS, Brazil 3Physical Chemistry of Luminescent Materials (LPCML), University of Lyon, Lyon, France 4Instituto de Física de São Carlos, USP, São Carlos, SP, Brazil

Calcium aluminosilicate (CAS) and low silica calcium aluminosilicate (LSCAS) OH- free glasses have been shown to be promising candidates for the development of solid state active laser media and luminophore hosts due to their superior thermal, optical and mechanical properties. Examples have already been shown for laser emissions using Nd3+, Er3+ and Yb3+, and white light emitters with Ce3+, Eu3+ and Eu2+ luminescent ions. In this work, an over view of the potentialities of these systems will be given, with special attention to the structural characterization in relationship with their spectroscopic properties like concentration quenching phenomenon, ions oxidation states and energy transfer processes. Laser measurements at 1037nm, 1054nm and 1550nm will shown. In addition, the development of a smart white lighting device with these glasses will be presented. e-mail:


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