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On May 20th, the Royal Society announced on its official website that over 90 scientists who have made outstanding contributions to scientific research have been newly elected as Fellow of The Royal Society (FRS). Yang Xueming, an academician of the CAS Member and chief director of the Shenzhen Free Electron Laser Device, was newly elected as a foreign academician of the Royal Society of England.A...
Recently, NASA's official website showed that a research team at the University of Central Florida has tested an instrument called Ejecta STORM, which aims to measure the size and velocity of surface particles generated by exhaust gases from rocket powered landers on the moon or Mars.According to NASA, when a spacecraft lands on the moon or Mars, rocket exhaust plumes can produce efflorescent ejec...
Laser cladding, also known as laser metal deposition, is a process of depositing one material onto another.When the laser beam scans the target surface, metal powder or wire flow is fed into the molten pool formed by the laser beam, thereby producing the required material coating.The laser cladding method improves the surface properties of the parts, such as wear resistance, and allows for the rep...
IntroductionVortex beams carrying orbital angular momentum (OAM) are widely used for high-throughput optical information multiplexing, and achieving on chip, small-scale vortex lasers is crucial for promoting the industrial implementation of vortex light reuse technology. Recently, Gu Min, an academician of Shanghai University of Technology, and Fang Xinyuan, an associate professor of Shanghai Uni...
The deformable mirror used in adaptive optics can instantly correct the static wavefront aberrations and atmospheric turbulence wavefront disturbances of the optical system by changing its surface. This enables the optical system to automatically adapt to changes in the environment and maintain optimal performance. It is widely used in high-resolution astronomical observations, laser atmospheric t...