EMISSION AT 1.3-MU-M FROM DYSPROSIUM-DOPED GALAS GLASS

被引：60
|
作者：
HEWAK, DW
SAMSON, BN
NETO, JAM
LAMING, RI
PAYNE, DN
机构：
[1] Optoelectronics Research Centre, University of Southampton, Southampton
来源：
ELECTRONICS LETTERS | 1994年 / 30卷 / 12期
关键词：
FIBER LASERS; CHALCOGENIDE GLASSES;
D O I：
10.1049/el:19940645
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The potential for optical amplification at 1.3mum is demonstrated in a dysprosium-doped gallium-lanthanum-sulphide based glass. Lifetimes of 59mus are observed for the H-6(9/2)-H-6(15/2) transition for which the emission peaks at 1.32mum. A radiative lifetime of 203mus is calculated by a Judd-Ofelt analysis, indicating a total radiative quantum efficiency of 29%. A pump absorption cross-section 20 times greater than Pr3+ suggests that shorter fibre devices may be possible.
引用
收藏
页码：968 / 970
页数：3
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