Temperature dependence of homogeneous line width of Eu3+ in sodium aluminosilicate glasses

被引：2

作者：

Fujita, K ^{[1
]}

Hirao, K ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Chem Mat, Sakyo Ku, Kyoto 6068501, Japan

来源：

JOURNAL OF LUMINESCENCE | 2002年 / 98卷 / 1-4期

关键词：

homogeneous line widths; europium; inorganic glasses;

D O I：

10.1016/S0022-2313(02)00283-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Temperature dependence of the homogeneous line width has been investigated for the D-5(0)-F-7(0) transition of Eu3+ doped in sodium aluminosilicate glass from 2 and 100 K by means of persistent spectral hole burning and fluorescence line narrowing. The homogeneous line width shows a linear T dependence between 21 and 10 K and a nearly T-2 dependence at T > 10 K. Phonon-assisted tunneling of two-level systems (TLS) contributes to the optical dephasing at lower temperatures. while the Raman process of low-frequency phonons is dominant at higher temperatures. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：295 / 300

页数：6

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