Mr. Dan Ulrich Profile

Dan Ulrich

Senior Vice President Airborne Systems at Terma A/S

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Proceedings Article | 3 March 2003 Paper

Modematic: a fast laser beam analyzing system for high-power CO2 laser beams

Flemming Olsen, Dan Ulrich

Proceedings Volume 4831, (2003) https://doi.org/10.1117/12.497931

KEYWORDS: Beam analyzers, Laser systems engineering, Laser sources, Laser beam propagation, Sensors, High power lasers, Cameras, Analytical research, Laser cutting, Laser stabilization

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The performance of an industrial laser is very much depending upon the characteristics of the laser beam. The ISO standards 11146 and 11154 describing test methods for laser beam parameters have been approved. To implement these methods in industry is difficult and especially for the infrared laser sources, such as the CO₂-laser, the availabl analyzing systems are slow, difficult to apply and having limited reliability due to the nature of the detection methods. In an EUREKA-project the goal was defined to develop a laser beam analyzing system dedicated to high power CO₂-lasers, which could fulfill the demands for an entire analyzing system, automating the time consuming pre-alignment and beam conditioning work required before a beam mode analyses, automating the analyzing sequences and data analysis required to determine the laser beam caustics and last but not least to deliver reliable close to real time data to the operator. The results of this project work will be described in this paper. The research project has led to the development of the Modematic laser beam analyzer, which is ready for the market.

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