Optical properties of Yb3+ ions in halogeno-sulphide glasses

被引：11

作者：

Le Person, J

Nazabal, V

Balda, R

Adam, JL

Fernández, J

机构：

[1] Univ Rennes 1, CNRS, UMR 6512, Lab Verres & Ceram, F-35042 Rennes, France

[2] Escuela Super Ingn, Dept Fis Aplicada 1, Bilbao 48013, Spain

[3] CSIC, UPV, EHU, Unidad Fis Mat, San Sebastian 20080, Spain

[4] Donostia Int Phys Ctr, San Sebastian 20080, Spain

来源：

OPTICAL MATERIALS | 2005年 / 27卷 / 11期

关键词：

D O I：

10.1016/j.optmat.2004.11.045

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ytterbium-doped low-phonon-energy glasses are promising materials for laser-induced cooling. In this context, the energies of Stark levels were established for the F-2(5/2) and F-2(7/2) states of Yb3+ ions in glasses based on Ge, Ga or In sulphides associated with cesium chloride or cesium iodide. To do so, emission and absorption spectra, recorded at low temperature and room temperature, were deconvoluted. Quantum efficiency for the F-2(5/2) emission was determined from calculated and measured lifetimes. A quantum efficiency close to unity was found for Yb3+ emission at 77 K in Ge-In sulphide glass containing cesium iodide. (c) 2005 Elsevier B.V. All rights reserved.

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页码：1748 / 1753

页数：6

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