High-average-power femtosecond laser at 258 nm

被引：23

作者：

Mueller, Michael ^{[1
]}

Klenke, Arno ^{[1
,2
]}

Gottschall, Thomas ^{[1
]}

Klas, Robert ^{[1
]}

Rothhardt, Carolin ^{[1
,3
]}

Demmler, Stefan ^{[1
,2
]}

Rothhardt, Jan ^{[1
,2
]}

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

Tuennermann, Andreas ^{[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, Frobelstieg 3, D-07743 Jena, Germany

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

来源：

OPTICS LETTERS | 2017年 / 42卷 / 14期

基金：

欧洲研究理事会;

关键词：

2-PHOTON ABSORPTION; ULTRAVIOLET; CRYSTAL; UV; PULSES; PHASE; BAND; MJ;

D O I：

10.1364/OL.42.002826

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present an ultrafast fiber laser system delivering 4.6 W average power at 258 nm based on two-stage fourthharmonic generation in beta barium borate (BBO). The beam quality is close to being diffraction limited with an M-2 value of 1.3 x 1.6. The pulse duration is 150 fs, which, potentially, is compressible down to 40 fs. A plain BBO and a sapphire-BBO compound are compared with respect to the achievable beam quality in the conversion process. This laser is applicable in scientific and industrial fields. Further scaling to higher average power is discussed. (C) 2017 Optical Society of America

引用

页码：2826 / 2829

页数：4

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