HIGHLY EFFICIENT CW CASCADE OPERATION OF 1.47 AND 1.82 MU-M TRANSITIONS IN TM-DOPED FLUORIDE FIBER LASER

被引:46
作者
PERCIVAL, RM
SZEBESTA, D
DAVEY, ST
机构
[1] BT Laboratories, Martlesham Heath, Ipswich
关键词
OPTICAL FIBERS; LASERS;
D O I
10.1049/el:19921194
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 1.475 mum selfterminating transition in a thulium-dopod fluorozirconate fibre has been operated CW with thresholds as low as 3.2 mW of launched pump power. Furthermore, enforcing oscillation at 1.475 and 1.88 mum simultaneously, output powers of approximately 130 and approximately 115 mW, respectively, have been observed for around 325 mW of launched pump power. These results correspond to slope efficiencies of 43 and 38%, or photon conversion efficiencies of 82 and 92%, respectively, for the 1.475 and 1.82 mum transitions.
引用
收藏
页码:1866 / 1868
页数:3
相关论文
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