Paper
21 June 2004 Conditions for the dynamic control of the focusing properties of the high-power CW CO2 laser beam in a system with an adaptive mirror
Grazyna T. Rabczuk, M. Sawczak
Author Affiliations +
Proceedings Volume 5449, Eighth International Conference on Laser and Laser Information Technologies; (2004) https://doi.org/10.1117/12.563124
Event: Eighth International Conference on Laser and Laser Information Technologies, 2003, Smolyan, Bulgaria
Abstract
A mirror with a controllable focal length designed for the high power cw CO2 industrial laser was integrated into the laser beam guiding system in order to verify conditions for the dynamic control of the laser beam focusing properties. The ability of the mirror to correct the thermal distortions in the laser output window was investigated by measuring the beam characteristics versus the mirror shape at different conditions of the laser operation defined by the output power level. The experimental tests prove that the mirror enables dynamic adjustments of the laser beam diameters at the focusing optics and in consequence the control of the focused beam parameters.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Grazyna T. Rabczuk and M. Sawczak "Conditions for the dynamic control of the focusing properties of the high-power CW CO2 laser beam in a system with an adaptive mirror", Proc. SPIE 5449, Eighth International Conference on Laser and Laser Information Technologies, (21 June 2004); https://doi.org/10.1117/12.563124
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KEYWORDS
Mirrors

Continuous wave operation

Control systems

Laser processing

Carbon dioxide lasers

Deformable mirrors

High power lasers

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