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Proceedings Paper

Coupled membrane free optical microphone and optical coherence tomography keyhole measurements to setup welding laser parameters
Author(s): Nicolas Authier; Enzo Touzet; Fabian Lücking; Ryan Sommerhuber; Vincent Bruyère; Patrick Namy
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Paper Abstract

The measurement of depth of a laser capillary in industrial conditions by Optical Coherence Tomography technique is demonstrated in this work. This paper highlights the results achieved by the recent combination of ultrasound sensitive membrane-free optical microphone by XARION and PRECITEC’s OCT IDM system. Joint interpretation of the ultrasound spectrograms and the digging curves of the keyholes enables better understanding of the dynamics of the melted metal and determination of the ideal welding parameters.

Paper Details

Date Published: 2 March 2020
PDF: 12 pages
Proc. SPIE 11273, High-Power Laser Materials Processing: Applications, Diagnostics, and Systems IX, 1127308 (2 March 2020); doi: 10.1117/12.2543999
Show Author Affiliations
Nicolas Authier, CEA (France)
Enzo Touzet, CEA (France)
Fabian Lücking, Xarion Laser Acoustics GmbH (Austria)
Ryan Sommerhuber, Xarion Laser Acoustics GmbH (Austria)
Vincent Bruyère, SIMTEC (France)
Patrick Namy, SIMTEC (France)

Published in SPIE Proceedings Vol. 11273:
High-Power Laser Materials Processing: Applications, Diagnostics, and Systems IX
Stefan Kaierle; Stefan W. Heinemann, Editor(s)

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