Abstract: A coupled ridge waveguide substrate-emitting quantum cascade laser array ... power and improved beam quality. The device was operating at fundamental supermode with a single-lobed far-field ...

R. China State Key Laboratory of Pulsed Power Laser Technology, Changsha, P. R. China Hunan Provincial Key Laboratory of High, Energy Laser Technology, Changsha, P. R. China ...

Abstract: The temporal evolution of the far-field intensity distribution (and hence beam divergence) for the output of a CVL ... high pulse repetition frequency the ASE at the start of the laser pulse ...

†Permanent address: National Research Council Canada - Industrial Materials Institute, 75 Boulevard de Mortagne, Boucherville (QC) Canada J4B 6Y4. ‡Permanent address: Centre de recherche et de ...

Like SLA (see above), SLM also uses a high-powered laser beam to form 3D parts. During the printing process, the laser beam melts and fuses various metallic powders together. The simple way to look at ...