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Conferences > CLEO_Europe > 2023 > cm_p > cm_p_32
  • Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023)
  • Technical Digest Series (Optica Publishing Group, 2023),
  • paper cm_p_32

Laser Powder Bed Fusion thermal monitoring using optical fiber sensors: in situ measurements and modelling

A. Lerner, Y. Anquetin, J. Gaspar, Q. Pouille, A. Ladaci, Y. Corre, G. Bouwmans, and G. Laffont

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Abstract

Fusion-based metallic additive manufacturing (AM) features complex material and heat transfer phenomena. These processes dynamics can be monitored using different techniques in order to assess the manufacturing quality or detect defects. Fiber Bragg Gratings written using femtosecond laser pulses (fs-FBGs) inside optical fibers allow temperature multipoint sensing by monitoring the reflected wavelength λB of each wavelength-multiplexed sensor [1].

© 2023 IEEE

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