SLPC Poster Session

[SLPCp-25] Spectroscopic analysis of blue diode laser-induced plumes and evaluation of interference between plumes and laser in pure copper welding

*Mao Sudo¹, Shumpei Fujio¹, Kazuki Koda², Hideaki Shirai², Keisuke Takenaka³, Masami Mizutani³, Yuji Sato³, Masahiro Tsukamoto³ (1. Osaka University, 2. DENSO CORPORATION, 3. JWRI, Osaka University)

Spectroscopic analysis revealed the atoms and molecules constituting plumes and their spatial distribution in pure copper welding using blue diode laser. The melting depth increased with plumes removed, suggesting interference between plumes and laser beam.