High-precision laser focus positioning of rough surfaces by deep learning

Can Polat,Gizem Nuran Yapici,Sepehr Elahi,Parviz Elahi

Optics and Lasers in Engineering（2023）

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摘要

•precise positioning detection based on a convolutional neural network (CNN).•A precise control of the laser focus in laser material processing systems.•Consideration of surface roughness and camera noise in this experiment and theoretical model.•over 99% accuracy in positioning detection.

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关键词

Ultra-fast laser micromachining,Machine learning,Deep learning,Focus detection,Fourier optics

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