Super broadband near-infrared emission and energy transfer in Bi-Er co-doped lanthanum aluminosilicate glasses

被引：48

作者：

Tran Minh Hau ^{[1
,2
]}

Yu, Xue ^{[1
]}

Zhou, Dacheng ^{[1
]}

Song, Zhiguo ^{[1
]}

Yang, Zhengwen ^{[1
]}

Wang, Rongfei ^{[1
]}

Qiu, Jianbei ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Sch Mat Sci & Engn, Kunming 650093, Peoples R China

[2] Tuyhoa Ind Coll, Dept Res Adm & Int Relat, Phuyen 620900, Vietnam

来源：

OPTICAL MATERIALS | 2013年 / 35卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Silica glass; Energy transfer; Bi-Er co-doped; Luminescence; METAL GERMANATE GLASSES; OPTICAL AMPLIFICATION; FIBER LASERS; SILICA GLASS; BISMUTH; LUMINESCENCE; CERAMICS;

D O I：

10.1016/j.optmat.2012.10.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Bi-Er co-doped lanthanum aluminosilicate glasses, which exhibited a broadband near-infrared emission, were developed and observed in using the optical absorption and photoluminescence spectra. A super broadband near-infrared emission extending from 1.0 to 1.8 mu m with a full-width at half-maximum of 450 nm which covered the whole O, E, S, C and L bands, was observed in Bi-Er co-doped samples under 808 nm excitation, as a result of the overlap of the Bi-related emission band (1270 nm) and the emission from Er3+ I-4(13/2) -> I-4(15/2) transition (1545 nm). This report will discuss about a possible mechanism for energy transfer between Bi-related centers and Er3+ ion. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：487 / 490

页数：4

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