Mid-infrared spectroscopy of erbium doped chloride laser crystals

被引：27
|
作者：
Kirkpatrick, Sean M. [1 ]
Shaw, L. B. [1 ]
Bowman, S. R. [1 ]
Searles, S. [1 ]
Feldman, B. J. [1 ]
Ganem, Joseph [2 ]
机构：
[1] Naval Res Lab, Div Opt Sci, Washington, DC 20375 USA
[2] Loyola Coll Maryland, Dept Phys, Baltimore, MD 21210 USA
来源：
OPTICS EXPRESS | 1997年 / 1卷 / 04期
关键词：
D O I：
10.1364/OE.1.000078
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on a spectroscopic analysis of ErCl3 and 1% Er3+:YCl3 to determine their potential as possible laser sources at 3.5 and 4.5 mu m. Concentration quenching of the low lying excited states is reported to be surprisingly very weak in this system. Although some shortening of the lifetimes is measured in the fully concentrated system, they retain lifetimes that are of order several milliseconds or more. A Judd-Ofelt analysis is performed and the projected gains for the 3.5 and 4.5 mu m transitions are calculated. Successful growth techniques of erbium doped chlorides are also described. (C) 1997 Optical Society of America
引用
收藏
页码：78 / 86
页数：9
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