OBSERVATION OF TEMPERATURE-DEPENDENT CR-3+ ND-3+ SENSITIZATION IN FLUORIDE GLASSES

被引：8
作者：
SHINN, MD [1 ]
TESAR, AA [1 ]
机构：
[1] UNIV CALIF LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550
来源：
JOURNAL OF LUMINESCENCE | 1992年 / 51卷 / 04期
关键词：
D O I：
10.1016/0022-2313(92)90053-C
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Absorption and excitation spectra of two fluoride glasses doped with Cr3+ and Nd3+ ions were used to determine the Cr-Nd sensitization efficiency. The efficiency was found to be strongly temperature dependent, with a room temperature value of zero. A nonradiative mechanism based on changes in the local environment, which occurs when the Cr3+ ions is in the excited state, is suggested to be the cause of the low efficiency.
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页码：189 / 195
页数：7
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