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

Optics InfoBase Conference Papers, ISSN: 2162-2701
2022
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Conference Paper Description

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.

Bibliographic Details

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

Optica Publishing Group

Materials Science; Engineering

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