Laser performance parameters of Yb3+ doped UV-transparent phosphate glasses

被引：46

作者：

Pinheiro, A. S. ^{[1
]}

Freitas, A. M. ^{[2
]}

Silva, G. H. ^{[2
]}

Bell, M. J. V. ^{[2
]}

Anjos, V. ^{[2
]}

Carmo, A. P. ^{[3
]}

Dantas, N. O. ^{[1
]}

机构：

[1] Univ Fed Uberlandia, Inst Fis, LNMIS, BR-38400902 Uberlandia, MG, Brazil

[2] Univ Fed Juiz de Fora, ICE, Dept Fis, Grp Espect Mat, BR-36036330 Juiz De Fora, MG, Brazil

[3] Inst Fed Fluminense, BR-28909971 Cabo Frio, RJ, Brazil

来源：

CHEMICAL PHYSICS LETTERS | 2014年 / 592卷

关键词：

EMISSION CROSS-SECTION; SPECTROSCOPIC PROPERTIES; OPTICAL-PROPERTIES; HOST GLASS; TELLURITE; YTTERBIUM;

D O I：

10.1016/j.cplett.2013.12.022

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report on optical investigation of phosphate glasses doped with Yb2O3. UV-Vis and FT-NIR optical absorption, photoluminescence, time-resolved photoluminescence and refractometry techniques are used. Cluster formation of Yb3+ was not observed as well as, no evidence of cooperative luminescence among Yb3+. An exponential decay of the F-2(5/2) -> F-2(7/2) lifetime of ytterbium was found when the interionic distance decreases. The quantum efficiency and laser performance were also investigated. Relatively high figure of merit was found, 0.33 x 10(-20) cm(2) ms. The values of the minimum fraction of Yb3+ for minimum laser gain, pump saturation intensity and minimum absorbed pumping intensity were estimated. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：164 / 169

页数：6

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