Pressure sensing using dual color laser absorption spectroscopy

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...

For a long time, craftsmen have been fascinated by the bright red color produced by gold nanoparticles scattered in colored glass masterpieces. The quantum origin of this optical miracle has always been mysterious, until modern advances in nanoengineering and microscopy revealed the complexity of plasma resonance.Now, researchers are preparing to push nano plasma technology, which was once used fo...

Recently, Professor Ni Zhenhua from the School of Electronic Science and Engineering at Southeast University, Professor Lv Junpeng from the School of Physics, Professor Liu Hongwei from the School of Physical Science and Technology at Nanjing Normal University, and Professor Zhou Peng from the School of Microelectronics at Fudan University collaborated to propose a van der Waals light-emitting dio...

Recently, Laser Wire Solutions officially welcomed its important distribution partner in South Korea - HumanTek. This cooperation marks the official establishment of HumanTek as a branch of Laser Wire Solutions in Korea, and both parties will work together to provide excellent services for the Korean laser wire stripping market.HumanTek, with its deep foundation in the Korean market and strong pro...

Main author: Yanming Zhang, Wentao Yana*The first unit: National University of SingaporePublished Journal: Acta MaterialiaResearch backgroundIndustry pain point: Although laser powder bed melting (LPBF) technology can manufacture complex components, the lack of consistent product quality is still the core bottleneck restricting its industrial application. Research has shown that up to 35% of proce...