0451051 - ÚPT 2016 DE eng A - Abstract
Mrňa, Libor - Šarbort, Martin - Holá, Miroslava
Deformable mirror for high power laser applications.
Invitation and Programm 116th Annual Meeting of the DGaO. Erlangen: DGaO, 2015. s. 32.
[Annual Meeting of the DGaO /116./. 26.05.2015-29.05.2015, Brno]
Institutional support: RVO:68081731
Keywords : laser technology * laser material processing * optical components
Subject RIV: BH - Optics, Masers, Lasers

The modern trend in high power laser applications such as welding, cutting and surface hardening lies in the use of solid-state lasers. The output beam of these lasers is characterized by a Gaussian intensity distribution. However, the laser beams with different intensity distributions, e.g. top-hat, are preferable in various applications. In this paper we present a new type of deformable mirror suitable for the corresponding laser beam shaping. The deformation of the mirror is achieved by an underlying array of actuators and a pressurized coolant that also provides the necessary cooling. We describe the results of the surface shape measurement using a 3D scanner for different settings of actuators. Further, we show the achieved intensity distributions measured by a beam profiler for a low power laser beam reflected from the mirror.
Permanent Link: http://hdl.handle.net/11104/0252283