DIODE-PUMPED SINGLE-MODE FLUOROZIRCONATE FIBER LASER FROM THE 4/11/2-]4/13/2 TRANSITION IN ERBIUM

被引:35
作者
ALLEN, R [1 ]
ESTEROWITZ, L [1 ]
GINTHER, RJ [1 ]
机构
[1] SACHS FREEMAN ASSOCIATES INC,LANDOVER,MD 20785
关键词
D O I
10.1063/1.103149
中图分类号
O59 [应用物理学];
学科分类号
摘要
Diode-pumped cw lasing at 2.71, 2.75, and 2.78 μm from an erbium-doped ZBLAN single-mode fiber is reported for the first time. A threshold of 4 mW absorbed power at 792 nm was obtained for the 2.71 μm transition. 3% slope efficiency was obtained with an 80% reflecting output mirror. cw lasing was also observed from the fiber when a tunable pump was scanned across most of the 4I15/2→4I9/2 absorption band. cw lasing observed when pumping around 820 nm indicates that excited-state absorption of the pump from the 4I13/2 may not be necessary for cw operation. However, excited-state absorption of the pump around 810 nm from the 4I11/2 may limit performance.
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页码:1635 / 1637
页数:3
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