Super broadband near infrared luminescence properties in Bi-doped aluminosilicate glasses

被引：5

作者：

Zhou Da-Cheng ^{[1
]}

Liu Zhi-Liang ^{[1
]}

Song Zhi-Guo ^{[1
]}

Yang Zheng-Wen ^{[1
]}

He Xi-Jia ^{[1
]}

Wang Rong-Fei ^{[1
]}

Jiao Qing ^{[1
]}

Qiu Jian-Bei ^{[1
]}

机构：

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

来源：

ACTA PHYSICA SINICA | 2012年 / 61卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Bi-doped aluminosilicate glass; infrared luminescence; super broad band; alkaline earth; BISMUTH; EMISSION; BAO;

D O I：

10.7498/aps.61.127802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Influences of alkaline earth oxides on super broadband near infrared luminescence properties from Bi-doped RO-Al2O3-SiO2 (R, = Ca, Sr, Ba) aluminosilicate glasses are investigated. The results show that under different pumping sources, the near infrared (NIR) luminescence shows different behaviors. Under 808 nm excitation, the infrared emission located at 1300 nm with lifetime more than 600 mu s is observed, whose intensity increases with the increase of ionic radius. However, under 690 nm excitation, the luminescence at 1100 nm with a full width at half maximum of 400 nm decreases with the increase of ionic radius. According to the above results, it is suggested that infrared emissions may originate from Bi+ and BiO.

引用

页数：5

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