100 W average power femtosecond laser at 343 nm

被引:36
|
作者
Rothhardt, Jan [1 ,2 ]
Rothhardt, Carolin [1 ,4 ]
Mueller, Michael [1 ,2 ]
Klenke, Arno [1 ,2 ]
Kienel, Marco [1 ,2 ]
Demmler, Stefan [1 ,2 ]
Elsmann, Tino [3 ]
Rothhardt, Manfred [3 ]
Limpert, Jens [1 ,2 ,4 ]
Tuennermann, Andreas [1 ,2 ,4 ]
机构
[1] Univ Jena, Inst Appl Phys, Abbe Ctr Photon, Albert Einstein Str 15, D-07745 Jena, Germany
[2] Helmholtz Inst Jena, Frobelstieg 3, D-07743 Jena, Germany
[3] Leibniz Inst Photon Technol, Albert Einstein Str 9, D-07745 Jena, Germany
[4] Fraunhofer Inst Appl Opt & Precis Engn, Albert Einstein Str 7, D-07745 Jena, Germany
关键词
PULSE-AMPLIFICATION SYSTEM; HIGH-REPETITION-RATE; AMPLIFIER; BBO; MJ;
D O I
10.1364/OL.41.001885
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a femtosecond laser system delivering up to 100 W of average power at 343 nm. The laser system employs a Yb-based femtosecond fiber laser and subsequent second-and third-harmonic generation in beta barium borate (BBO) crystals. Thermal gradients within these BBO crystals are mitigated by sapphire heat spreaders directly bonded to the front and back surface of the crystals. Thus, a nearly diffraction-limited beam quality (M-2 < 1.4) is achieved, despite the high thermal load to the nonlinear crystals. This laser source is expected to push many industrial and scientific applications in the future. (C) 2016 Optical Society of America
引用
收藏
页码:1885 / 1888
页数:4
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