UP-CONVERSION IN YALO3-ER PUMPED AT 800 NM

被引：15

作者：

WEBER, T

LUTHY, W

WEBER, HP

机构：

[1] Institute of Applied Physics, University of Berne, Berne, CH-3012

来源：

APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY | 1992年 / 55卷 / 02期

关键词：

D O I：

10.1007/BF00324065

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Fluorescence at 3-mu-m and 545 nm in a YAlO3:Er (30 at.%) crystal has been measured as a function of wavelength, intensity and polarization for the excitation in the 800 nm wavelength region. Emission at 545 nm is an indicator of losses for 3-mu-m emission due to excited-state absorption and upconversion. The experimental results allow to determine the excitation mechanisms, the upconversion coefficient W2 and the optimum pump wavelengths to generate 3-mu-m radiation.

引用

收藏

页码：144 / 148

页数：5

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