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DataRay Inc. - ISO 11146-Compliant Laser Beam Profilers

Disk Lasers Enable Application Advancements

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The high power of disk lasers opens the door to applications that have been closed to conventional lasers.

Dr. Kurt Mann, Trumpf Laser GmbH & Co. KG, and Timothy Morris, Trumpf Inc.

The driving factor in the development of lasers for industrial materials processing is the demand for higher power levels combined with improved beam quality. Achieving this goal with conventional Nd:YAG rod lasers is limited because of thermal lensing. Replacing lamps with diodes for generating the laser reduces thermal lensing. However, beam quality is still limited at high power levels. The disk laser eliminates thermal lensing, thereby providing very good beam quality at high power levels and enabling new processing capabilities. The disk, an ytterbium YAG crystal, is activated by...Read full article

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    Published: January 2004
    Glossary
    thermal lensing
    Distortion of an optical component as a result of heat, which can influence the divergence and the mode quality of a beam passing through the component.
    diodesFeaturesindustrialNd:YAG rod lasersthermal lensingYAG crystal

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