Spectral and luminescent properties of Bi-doped bulk glasses and factors acting on them.

被引：4

作者：

Denker, Boris I. ^{[1
]}

Galagan, Boris I. ^{[1
]}

Shulman, Ilya L. ^{[1
]}

Sverchkov, Sergey E. ^{[1
]}

Dianov, Evgeny M. ^{[2
]}

机构：

[1] Russian Acad Sci, AM Prokhorov Gen Phys Inst, Vavilova 38, Moscow 119991, Russia

[2] Fiber Opt Res Ctr Russian Acad Sci, Moscow 119991, Russia

来源：

OPTICAL COMPONENTS AND MATERIALS VII | 2010年 / 7598卷

关键词：

Bismuth in glass; infrared emission; tunable lasers; bismuth dimer centers; INFRARED LUMINESCENCE; CENTERS; TE;

D O I：

10.1117/12.840628

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The properties near infrared (NIR) - emitting centers were investigated in Bi-doped Mg-Al-silicate and phosphate glasses. The NIR-emitting optical centers containing a pair of bismuth ions were shown to be formed in a reversible redox chemical reaction. The common electric charge (+5) of bismuth ions in such centers was determined. The NIR emission saturation measurements have made it possible to calculate the ground-state absorption cross-section (similar to 4.4x10(-19) cm(2)) of these centers at 532 nm and their absolute concentration in the glass. It was found that similar emitting centers can also be formed in a colorless and non-luminescent Bi-doped glass by gamma-irradiation. This fact allowed deriving some conclusions on an optical center structure.

引用

页数：6

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