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Recently, a team led by Gao Chunqing and Fu Shiyao from the School of Optoelectronics at Beijing University of Technology combined optical spatial coordinate transformation with photon spin Hall effect to construct a photon angular momentum filter for the first time internationally, achieving on-demand regulation of photon spin angular momentum and orbital angular momentum.The related achievements...
Recently, the UK's national synchrotron "Diamond Light Source" announced an investment of nearly £ 520 million ($648.3 million) to implement three new flagship beam lines and upgrade existing beam lines. This comprehensive upgrade will be delivered by 2030.The Department for Science, Innovation, and Technology and the biomedical charity Wellcome jointly approved the facility upgrade project,...
Laser cladding technology, also known as laser additive manufacturing technology, uses high-energy laser as the heat source and metal alloy powder as the cladding material. Through the synchronous action of laser and alloy powder on the metal surface, it quickly melts to form a molten pool, and rapidly solidifies to form a dense, uniform, and controllable thickness metallurgical bonding layer, the...
The new architecture based on metamaterials provides a promising platform for constructing large-scale production and reprogrammable solutions that can perform computational tasks using light.The idea of simulating computers - a device that uses continuous variables instead of zero sum ones - may evoke outdated machinery, from mechanical watches to bomb sight devices used in World War II. But emer...
The development of additive manufacturing (AM) has profoundly changed the manufacturing industry, and this technology has been applied in fields such as food, medicine, automotive, and electronic components. Especially in the aerospace field, where extremely lightweight and high-strength (~500mpa) components are required, aluminum alloy additive manufacturing is considered a very promising solutio...