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Conferences > CLEOPR > 2022 > CFA17G > CFA17G_02

An instance hole measurement using a low-coherence interferometer with a high repetition rate during laser-welding process

Neisei Hayashi, Takuma Fujita, Takahiro Deguchi, Ryo Nomura, Hiroshi Hasegawa, Takeshi Makino, Takahiro Hashimoto, Hideaki Furukawa, Naoya Wada, and Katsuhiro Ishii

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Abstract

The shape of an instance hole (keyhole) created via a high-power laser was measured using a low-coherence interferometer with a 10-MHz repetition rate, a 10-um absolute spatial resolution and a 5-mm measurement range.

© 2022 IEEE

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