HO3+ TO YB3+ BACK TRANSFER AND THERMAL QUENCHING OF UP-CONVERSION GREEN EMISSION IN FLUORIDE-CRYSTALS

被引：38

作者：

ZHANG, XX

HONG, P

BASS, M

CHAI, BHT

机构：

[1] UNIV CENT FLORIDA,DEPT ELECT & COMP ENGN,ORLANDO,FL 32826

[2] UNIV CENT FLORIDA,DEPT PHYS,ORLANDO,FL 32826

[3] UNIV CENT FLORIDA,DEPT MECH ENGN,ORLANDO,FL 32826

来源：

APPLIED PHYSICS LETTERS | 1993年 / 63卷 / 19期

关键词：

D O I：

10.1063/1.110445

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Energy transfer from Ho3+ to Yb3+ has been demonstrated in fluoride crystals such as KYF4, BaY2F8, and LiYF4. This transfer was found to occur above a certain temperature and its efficiency increases with temperature. It accounts for the thermal quenching of green emission from upconverted Ho3+ and partly explains the failure, to date, to obtain room temperature, Yb3+ sensitized Ho3+ upconversion lasers in these three hosts. Low Yb3+ concentration is suggested for future attempts to achieve room temperature Yb3+, Ho3+ upconversion green laser operation of these crystals.

引用

页码：2606 / 2608

页数：3

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