27 April 2006 Real-time surface deformations control during laser processing
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A system for real-time surface deformations control during various types of laser processing is presented. It is based on a laser triangulation principle, where the laser projector generates multiple lines simultaneously. Three dimensional shape measurement of a surface is performed with a high sampling rate (80 Hz) and high accuracy (±7 μm). Results of steel-plate deformations are presented for laser bending, drilling and engraving. Laser based flattening process of previously deformed plate is demonstrated, where the measurement system is used as a feed-back control.
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Matija Jezersek, Janez Diaci, Janez Mozina, "Real-time surface deformations control during laser processing", Proc. SPIE 6188, Optical Micro- and Nanometrology in Microsystems Technology, 61881O (27 April 2006); doi: 10.1117/12.662635; https://doi.org/10.1117/12.662635

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