High values of gain cross section and luminescence quantum efficiency in OH--free Ti3+-doped low-silica calcium aluminosilicate glass

被引：7

作者：

Lima, S. M. ^{[1
]}

Silva, J. R. ^{[1
]}

Andrade, L. H. C. ^{[1
]}

Novatski, A. ^{[2
]}

Medina, A. N. ^{[2
]}

Bento, A. C. ^{[2
]}

Baesso, M. L. ^{[2
]}

Guyot, Y. ^{[3
]}

Boulon, G. ^{[3
]}

机构：

[1] Univ Estadual Mato Grosso Sul UEMS, Grp Espectroscopia Opt & Fototerm, Dourados, MS, Brazil

[2] Univ Estadual Maringa, Dept Fis, BR-87020900 Maringa, Parana, Brazil

[3] Univ Lyon 1, CNRS, Lab Physicochim Mat Luminescents, UMR 5620, F-69622 Villeurbanne, France

来源：

OPTICS LETTERS | 2010年 / 35卷 / 07期

关键词：

EMISSION; LASER; SPECTROSCOPY; TITANIUM;

D O I：

10.1364/OL.35.001055

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We recently reported that Ti3+-doped low-silica calcium aluminosilicate glass presents long luminescence lifetime (170 mu s) and broad emission band (190 nm) shifted toward the visible region when compared with those from Ti3+:sapphire single crystal and Ti3+-doped glasses [Phys. Rev. Lett. 100, 027402 ( 2008)]. Here we demonstrate that this glass also shows high values of both gain cross section (similar to 4.7 x 10(-19) cm(2)) and luminescence quantum efficiency (similar to 70%). By comparing these values with those for Ti3+:sapphire crystal, we can conclude that the studied Ti3+-doped glass is a promising system for tunable solid-state lasers. (C) 2010 Optical Society of America

引用

页码：1055 / 1057

页数：3

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