Experimental Determination of the Focal Length of a Laser Beam from the Output Nozzle of a Laser Cutting Head

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Authors: Martin Lachman, Jiří Šafka

Journal title: Key Engineering Materials

Journal number: 756

Journal publisher: Trans Tech Publications Ltd

Published year: 2017

Published pages: 71-79

DOI identifier: 10.4028/www.scientific.net/kem.756.71

ISSN: 1662-9795