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The energy transformation has brought us global challenges. In this regard, renewable energy sources such as photovoltaic are crucial. The key to improving the efficiency of photovoltaic power generation is to improve the manufacturing process of solar cells. Laser material processing is used to weld individual batteries into modules, dope selective emitters, and remove very thin antireflective an...
Ultra short laser pulses for local welding (Source: Fraunhofer IOF)With the accelerated evolution of electronic devices towards high power, high frequency, and miniaturization, ceramic substrates have become core materials in fields such as power semiconductors, 5G communications, and new energy vehicles due to their excellent thermal conductivity, insulation, and high temperature resistance. H...
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...
Silicon based quantum chip technology is one of the hot research directions in the field of integrated photonics. Thanks to compatibility with CMOS technology and silicon material characteristics, silicon-based integrated optical chips and devices have many advantages such as low cost, small size, low power consumption, and high integration, providing an ideal platform for large-scale optical comp...
On the morning of August 26th, the world's first large-scale 40000 watt groove laser cutting machine production ceremony was successfully held at Shandong Century Zhenghua Metal Technology Co., Ltd. located in Zhoucun District, adding another boost to the rapid development of Zhoucun's stainless steel industry chain.Source:博览新闻