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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...
Recently, Italian startup Lithium Lasers announced that the company has successfully raised 3.5 million euros in ultra short pulse laser technology.This company, founded in 2019, focuses on developing an ultra short pulse laser (USPL) called FemtoFlash, which is aimed at multiple industries such as aerospace, healthcare, automotive, and consumer electronics, particularly suitable for material proc...
According to Korean media reports, Meere, a semiconductor and display equipment manufacturer from South Korea, is continuously expanding its presence in the high stack semiconductor market, including its HBM business.In fact, Meere itself is the world's top manufacturer of display edge grinding mechanisms, with a market share of up to 70%. It is based on its accumulation of display microfabricatio...
The pump source, gain material, and resonant cavity are the three elements that make up a laser. Due to the selective effect of the resonant cavity on the lasing frequency, multi longitudinal mode operation is one of the characteristics of fiber lasers based on traditional resonant cavity structures, manifested as periodic beat peaks in the radio frequency (RF) spectrum and periodic fluctuations i...
Recently, Qing Guangyan, a researcher team from the Research Group on Bioseparation and Interface Molecular Mechanism (1824 Group) of Biotechnology Research Department of Dalian Institute of Chemical Physics, Chinese Academy of Sciences, designed and prepared a highly solid cellulose photonic hydrogel with reconfigurability and mechanical discoloration. This preparation method opens up a new way t...