Infrared luminescence from bismuth-doped silica glass

被引：522

作者：

Fujimoto, Y ^{[1
]}

Nakatsuka, M ^{[1
]}

机构：

[1] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650871, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 2001年 / 40卷 / 3B期

关键词：

bismuth; infrared luminescence; silica glass; spectroscopic properties; laser material;

D O I：

10.1143/JJAP.40.L279

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A new infrared luminescence from bismuth-doped silica glass is discovered. Spectroscopic properties of this glass are different from those of previously reported Bi2+- or Bi3+-doped glasses or crystals. Its luminescence spectrum is wide (full-width at half maximum; about 200 nm), with the peak at 1140 nm with 500 nm excitation. Absorption bands exist between the visible and near-infrared region. The lifetime of bismuth-doped silica glass is 630 mus at room temperature. which is longer than the lifetimes of Bi3+ luminescence reported previously.

引用

页码：L279 / L281

页数：3

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