New glasses in the system InF3-BaF2-ErPO4

Trabalho apresentado em evento

Fecha

1998-01-01

Registro en:

Infrared Glass Optical Fibers and Their Applications. Bellingham: Spie-int Soc Optical Engineering, v. 3416, p. 186-191, 1998.

0277-786X

http://hdl.handle.net/11449/39321

10.1117/12.323389

WOS:000076793600021

2998503841917815

6446047463034654

http://repositorioslatinoamericanos.uchile.cl/handle/2250/3910449

Autor

Universidade Estadual Paulista (Unesp)

Institución

Universidade Paulista Júlio de Mesquita Filho (Brasil)

Resumen

New glasses have been obtained in the system InF3-BaF2-ErPO4. Glass compositions with up to 30% mol Er3+ were shown to exist and characterized by thermal analysis, x-ray: diffraction, IR absorption and electronic spectroscopy. The systems with high Er3+ content were studied recording IR and visible emission spectral characteristics. A specially elaborated technique allowed the preparation of a high purity phosphate precursor ErPO4. X-ray identification of the crystalline phases appearing during thermal treatment have been carried out and parameters of a mixed fluoride Ba4In3-nErnF17 calculated.

Materias

fluorophosphate glasses

erbium

infrared emission

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