Influence of PrCl3/PrF3 on the optical and spectroscopic properties of fluorogallate and fluoro-gallo-indate glasses

被引：10
作者：
Duverger-Arfuso, C
Boulard, B
Jestin, Y
Ferrari, M
Chiasera, A
机构：
[1] Univ Maine, CNRS, UMR 6010, Lab Oxydes & Fluorures, F-72085 Le Mans 9, France
[2] CNR, IFN, CSMFO Grp, I-38050 Trento, Italy
来源：
OPTICAL MATERIALS | 2006年 / 28卷 / 04期
关键词：
fluoride glasses; praseodymium; infrared luminescence; lifetime;
D O I：
10.1016/j.optmat.2005.04.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thermal, optical and spectroscopic properties of fluorogallate PZG (PbF2-ZnF2-GaF3) and fluoro-gallo-indate PIG (PbF2-InF3-GaF3) glasses doped with PrCl3 and PrF3 have been investigated. Absorption and luminescence properties of these glasses have been studied in the visible and in the second telecom window around 1.3 mu m. Fluorescence lifetimes of the (1)G(4) level have been compared between prascodymium chloride and fluoride doped glasses. Longer decay constants have been obtained for PrCl3 doping at low concentration (0.05 mol%). This effect has been related to a reduction of both the phonon energy in the surrounding of the rare earth ion and the electron-phonon coupling, leading to a decrease of the non-radiative multiphonon relaxation rate. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：441 / 447
页数：7
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