Efficient chirped-pulse amplification based on thulium-doped ZBLAN fibers

被引：12
|
作者：
Nomura, Yutaka [1 ]
Fuji, Takao [1 ]
机构：
[1] Inst Mol Sci, Okazaki, Aichi 4448585, Japan
来源：
APPLIED PHYSICS EXPRESS | 2017年 / 10卷 / 01期
基金：
日本科学技术振兴机构;
关键词：
1.9; MU-M; PEAK POWER; FLUORIDE GLASSES; LASER; SILICA; SYSTEM; OPERATION; AMPLIFIER; ENERGY; FS;
D O I：
10.7567/APEX.10.012703
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate a chirped-pulse amplifier system operating around 1900nm using thulium-doped ZrF4-BaF2-LaF3-AlF3-NaF (ZBLAN) fibers. The pulses from a thulium-doped ZBLAN fiber laser oscillator are stretched by a passive ZBLAN fiber and subsequently amplified in a double-clad thulium-doped ZBLAN fiber to an average power of 6.9W at a pump power of 17W. We found that ZBLAN fibers require a much lower pump and/or seed power than silica fibers for efficient amplification. The amplified pulses are compressed to a duration of 150 fs with an average power of 3.9W. (C) 2017 The Japan Society of Applied Physics
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页数：4
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