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IntroductionThe small hole mode swing laser welding has gained increasing recognition due to its ability to bridge gaps, refine microstructures, and enhance the mechanical properties of welds. However, the effects of amplitude, frequency, welding speed, laser beam power, and beam radius on heat flux distribution, melting mode, and three-dimensional temperature field have not been well understood. ...
According to relevant media reports, a research team from the Helmholtz Center in Berlin, Germany, and Humboldt University has jointly developed a new type of perovskite stacked battery. This battery has broken the world record for similar batteries with a photoelectric conversion efficiency of 24.6%. In the solar cell family, in addition to silicon-based solar cells, there are also thin-film so...
Recently, Marvel Fusion, which focuses on developing laser fusion energy systems, announced that the company has received an additional € 50 million in Series B funding. This latest investment is provided by EQT Venture Capital and Siemens Energy, and is also the first investment of the European Innovation Council (EIC) fund in fusion energy. In addition to the 63 million euros investment announce...
With the prominent energy issues in various countries around the world, the utilization and development of energy have become a hot topic, and the demand for renewable energy is constantly increasing. The existing underwater infrastructure is no longer sufficient and needs to be dismantled using appropriate modern technology. For example, in order to increase the power of offshore wind power plant...
In the fields of optics and micro/nano processing, precise manipulation of lasers to meet the growing demand for miniaturization is an important challenge in driving the development of modern electronic and biomedical equipment. Recently, researchers from Tohoku University in Japan successfully demonstrated the use of interference technology to enhance the longitudinal electric field of radially p...