Enhanced room-temperature emission in Cr4+ ions containing alumino-silicate glasses

被引：53

作者：

Batchelor, C ^{[1
]}

Chung, WJ ^{[1
]}

Shen, S ^{[1
]}

Jha, A ^{[1
]}

机构：

[1] Univ Leeds, Inst Mat Res, Leeds LS2 9JT, W Yorkshire, England

来源：

APPLIED PHYSICS LETTERS | 2003年 / 82卷 / 23期

关键词：

D O I：

10.1063/1.1581374

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The Bi2O3 modified alumino-silicate glasses, when excited at 800 nm exhibited a broadband emission of Cr4+ in the range of 1.2 to similar to1.6 mum at room temperature. The mean lifetime of (E-1 -(3)A(2))-->T-3(1) transition in Cr4+-doped glass at RT was as long as similar to426 mus, enabling the realization of both tunable lasers and broadband fiber amplifiers. The Cr4+ emission at RT also showed the dependency on the excitation wavelength and site distribution within the chosen glass host. A photoinduced charge transfer process from the Cr3+ ion into Cr4+ ion appears to be responsible for the excitation of Cr4+. (C) 2003 American Institute of Physics.

引用

页码：4035 / 4037

页数：3

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