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Researchers from the University of Aveiro in Portugal and the School of Engineering at Porto Institute of Technology (ISEP) in Portugal reported a study on the influence of laser beam intensity distribution on the geometric shape and process stability of lock holes under green laser radiation. The relevant paper titled "Influence of Laser Beam Intensity Distribution on Keyhole Geometry and Process...
Recently, the research team of Dong Hongxing and Zhang Long from the Research Center of Infrared Optical Materials of the Chinese Academy of Sciences Shanghai Institute of Optics and Precision Mechanics, in cooperation with Huazhong University of Science and Technology, reported a new mechanism for generating dynamically tunable single-mode lasers from exciton polaritons with ultra-low thresholds,...
The HP100A-50KW-GD laser power detector is mainly designed for manufacturers of high-power lasers and laser systems, factories that use high-power lasers to cut thick metal parts, and military applications.The HP100A-50KW-GD adopts a gold reflector cone and a reduced back reflection geometry, which can capture 97% of incident light and process up to 50 kW of continuous laser power. The back reflec...
Recently, the German research institution Fraunhofer ILT team is collaborating with the Department of Optical Systems Technology (TOS) at RWTH Aachen University to develop a testing system aimed at studying complex laser beam profiles using a new platform. This platform can construct customized beam profiles for laser powder melting (PBF-LB) 3D printing, thereby improving part quality, process sta...
Researchers from the Massachusetts Institute of Technology and the University of Texas at Austin showcased the first chip based resin 3D printer. Their concept verification tool consists of a millimeter sized photon chip that emits a programmable beam of light into resin holes, which solidify into a solid structure when exposed to light.The prototype processor does not have mobile components, but ...