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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