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Researchers from the Hanover Laser Center and Leibniz University in Germany reported on the mechanism of increased welding depth during time power modulation in high-power laser beam welding. The related paper titled "Mechanisms of Increasing Welding Depth during Temporary Power Modulation in High Power Laser Beam Welding" was published in Advanced Engineering Materials.Understanding the basic mec...
In recent years, linearly polarized organic light-emitting diodes have greatly enriched the application scenarios of polarization optics and optoelectronics industries. The low-cost and large-area preparation of linearly polarized organic light-emitting diodes with high polarization, strong directional emission, narrow bandwidth, and multi-color adjustability is an important challenge in the curre...
The N-linear optical microscope has completely changed our ability to observe and understand complex biological processes. However, light can also harm organisms. However, little is known about the mechanisms behind the irreversible disturbances of strong light on cellular processes.To address this gap, the research teams of Hanieh Fattahi and Daniel Wehner from the Max Planck Institute for Photos...
Recently, the research team of the High Power Laser Element Technology and Engineering Department of the Shanghai Institute of Optics and Mechanics, Chinese Academy of Sciences, has made new progress in the study of improving the damage threshold of fused quartz elements through laser cleaning. The study proposes for the first time the use of microsecond pulse CO2 laser cleaning to enhance the dam...
IntroductionIn recent years, inspired by insect compound eyes, artificial biomimetic compound eyes have shown great advantages in overcoming the limitations of existing imaging devices such as large, bulky, and heavy, and improving the performance of medical endoscopy, panoramic imaging, micro navigation, and robot vision due to their unique optical imaging solutions such as small size, distortion...