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Structured Coatings by Laser Ablation

2017-04-06

Auer Lighting recently installed new solide-state engraving laser machines. The main application for the new systems is the precise local removal (ablation) of coatings on glass substrates. The systems using Nd:YAG-lasers are perfect for removing dichroic coatings as found for example with CMY-systems for entertainment lighting. Linear or non-linear gradients of coating density can also be applied to create instensity filter effects. Another type of Nd:YAG-laser is optimized to ablate metal coatings from glass substrates for white gobos, resulting in over 90% transparency in cleared areas.

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