Deformable mirrors for intra-cavity use in high-power thin-disk lasers

被引：27

作者：

Piehler, Stefan ^{[1
]}

Dietrich, Tom ^{[1
]}

Wittmuess, Philipp ^{[2
]}

Sawodny, Oliver ^{[2
]}

Ahmed, Marwan Abdou ^{[1
]}

Graf, Thomas ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Strahlwerkzeuge, Pfaffenwaldring 43, D-70569 Stuttgart, Germany

[2] Univ Stuttgart, Inst Syst Dynam, Waldburgstr 19, D-70563 Stuttgart, Germany

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 04期

关键词：

ND-YAG LASER; AVERAGE POWER; PULSE ENERGY; PERFORMANCE; AMPLIFIER; MJ;

D O I：

10.1364/OE.25.004254

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present deformable mirrors for the intra-cavity use in high-power thin-disk laser resonators. The refractive power of these mirrors is continuously adaptable from -0.7 m(-1) to 0.3 m(-1), corresponding to radii of curvature ranging between 2.86 m (convex) and 6.67 m (concave). The optimized shape of the mirror membrane enables a very low peak-to-valley deviation from a paraboloid deformation over a large area. With the optical performance of our mirrors being equal to that of standard HR mirrors, we were able to demonstrate the tuning of the beam quality of a thin-disk laser in a range of M-2 = 3 to M-2 = 1 during laser operation at output powers as high as 1.1 kW. (C) 2017 Optical Society of America

引用

页码：4254 / 4267

页数：14

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