Oxides doped with rare-earth ions for reversible optical data recording

被引：0

作者：

Kravets, VG ^{[1
]}

Motuz, VV ^{[1
]}

Zimenko, VI ^{[1
]}

Indutnyi, VI ^{[1
]}

Prygun, AV ^{[1
]}

Yanchuk, NE ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Problems Informat Recording, UA-252113 Kiev, Ukraine

来源：

OPTICS AND SPECTROSCOPY | 1998年 / 84卷 / 06期

关键词：

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Photoluminescence spectra of Ca(Mg)O : Eu, Sm oxides of alkaline-earth metals doped with ions of rare-earth elements, were studied. Photoluminescence stimulated in these materials at room temperature with IR radiation was observed for the first time. The stimulated photoluminescence in Ca(Mg)O : Eu, Sm was studied for various impurity concentrations. The samples were preliminarily exposed to UV radiation at wavelengths of 250 and 488 nm. A physical model of the mechanism of photoluminescence and stimulated photoluminescence in the materials under study is proposed. It is shown that alkali-earth oxides doped with rare-earth ions can be used for repeated optical data recording.

引用

页码：873 / 878

页数：6

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