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Conferences > CLEO_AT > 2017 > ATu3C > ATu3C.3

Laser-induced Fluorescence for Detection of Alloying Elements During Laser Welding of Austenitic Stainless Steel

Brian J. Simonds, Jeffrey W. Sowards, and Paul A. Williams

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Abstract

We demonstrate a sensitivity increase of 104 over optical emission spectroscopy by applying laser-induced fluorescence to detect evaporating alloying elements during laser welding. As proof-of-principle, we target silicon in stainless steel in the near-UV.

© 2017 Optical Society of America

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