Spectroscopic study of Nd3+ doped PZG fluoride glass planar waveguides

被引：6
作者：
de Lucas, MCM
Garapon, C
Jacquier, B
Mugnier, J
Frezza, O
Perrot, O
Boulard, B
Jacoboni, C
机构：
[1] Univ Lyon 1, Lab Physicochim Mat Luminescents, CNRS, UMR 5620, F-69622 Villeurbanne, France
[2] Univ Maine, Lab Fluorures, CNRS 449, F-72017 Le Mans, France
来源：
OPTICAL MATERIALS | 1998年 / 10卷 / 01期
关键词：
waveguides; fluoride glasses; neodymium; photoluminescence;
D O I：
10.1016/S0925-3467(97)00143-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The optical properties of Nd3+ doped PZG (PbF2-ZnF2-GaF3) fluoride glass planar waveguides elaborated by physical vapour deposition (PVD) on CaF2 substrates have been analysed in comparison with those of the bulk material. The infrared (IR) side luminescence evidences similar properties for the films and the bulk, while reabsorption and saturation effects alter the guided output luminescence in highly doped waveguides. The IR luminescence decays show deviations from the bulk behaviour which have been related to the inhomogeneous composition of the films pointed out by the gradient refractive index profile. The analysis by waveguide Raman spectroscopy does not reveal significant differences between the film and the bulk materials. Finally, an intense visible upconversion luminescence is also observed in highly doped waveguides. (C) 1998 Elsevier Science B.V.
引用
收藏
页码：19 / 27
页数：9
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