Er-doped photonic crystal fiber amplifier with 70 W of output power

被引：28

作者：

Kuhn, Vincent ^{[1
,2
]}

Kracht, Dietmar ^{[1
,2
]}

Neumann, Joerg ^{[1
,2
]}

Wessels, Peter ^{[1
,2
]}

机构：

[1] Laser Zentrum Hannover EV, D-30419 Hannover, Germany

[2] Ctr Quantum Engn & Space Time Res QUEST, D-30167 Hannover, Germany

来源：

OPTICS LETTERS | 2011年 / 36卷 / 16期

关键词：

MODE-OPERATION; BEAM QUALITY; LASER;

D O I：

10.1364/OL.36.003030

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report for the first time, to the best of our knowledge, on a large mode area Er-doped photonic crystal fiber laser system. The fiber core had a diameter of 40 mu m and NA of < 0.04 leading to a mode field diameter of about 31 mu m around 1550 nm wavelength. More than 70 W of single-frequency output power at 1556 nm could be extracted using a master-oscillator power-amplifier scheme. Near diffraction limited output beam quality has been verified by measuring the TEM(00) content with a nonconfocal scanning ring cavity. (C) 2011 Optical Society of America

引用

页码：3030 / 3032

页数：3

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