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Detection of radiation of powerful fiber lasers reflected back from metals in course of laser processing

✍ Scribed by V.N. Petrovskiy; N.M. Prokopova; P.Yu. Shcheglov; A.P. Streltsov; Yu.A. Vdovin; V.M. Yermachenko

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 177 KB
Volume: 7
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.200910147

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✦ Synopsis

The method allowing to detect in real time the laser radiation reflected from metal in course of its processing by powerful fiber ytterbium lasers is proposed. It is shown that there is a correspondence between the behavior of a reflected back signal and the oscillatory processes in a liquid bath of the fused metal. Number of peaks per time unit N t , ms -1 0.3 0.

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