KEM 2009 DOI: 10.4028/www.scientific.net/kem.410-411.207 View full text
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Ehsan Fallahi Sichani, Johan De Keuster, Jean Pierre Kruth, Joost R. Duflou

Abstract: An optical monitoring system has been developed by the authors aiming at real-time monitoring of laser cutting of thick plates of mild steel. This optical system uses photodiodes and a NIR camera as sensors. The concepts and results of the photodiode-based monitoring system have already been reported [1,2]. This paper is dedicated to the development of the optical set-up for camera-based monitoring of the laser cutting process. Firstly, some general aspects concerning the sensing principles and the conceptual …

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