3.5 kW coherently combined ultrafast fiber laser

被引：88

作者：

Mueller, Michael ^{[1
]}

Klenke, Arno ^{[1
,2
]}

Steinkopff, Albrecht ^{[1
,3
]}

Stark, Henning ^{[1
]}

Tuennermann, Andreas ^{[1
,2
,3
]}

Limpert, Jens ^{[1
,2
,3
]}

机构：

[1] Friedrich Schiller Univ Jena, Abbe Ctr Photon, Inst Appl Phys, Albert Einstein Str 15, D-07745 Jena, Germany

[2] Helmholtz Inst Jena, Froelstieg 3, D-07743 Jena, Germany

[3] Fraunhofer Inst Appl Opt & Precis Engn, Albert Einstein Str 7, D-07745 Jena, Germany

来源：

OPTICS LETTERS | 2018年 / 43卷 / 24期

基金：

欧洲研究理事会;

关键词：

HIGH-POWER; COMBINATION;

D O I：

10.1364/OL.43.006037

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An ultrafast laser based on the coherent beam combination of four ytterbium-doped step-index fiber amplifiers is presented. The system delivers an average power of 3.5 kW and a pulse duration of 430 fs at an 80 MHz repetition rate. The beam quality is excellent (M-2 < 1.24 . 1.10), and the relative intensity noise is as low as 1% in the frequency span from 1 Hz to 1 MHz. The system is turn-key operable, as it features an automated spatial and temporal alignment of the interferometric amplification channels. (c) 2018 Optical Society of America

引用

页码：6037 / 6040

页数：4

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