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Recently, the team of Situ Guohai and Guo Jinying from the Aerospace Laser Technology and Systems Department of the Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, and the School of Microelectronics at Shanghai University collaborated to propose a terahertz phase controlled programmable metasurface design scheme based on free carrier plasma dispersion effect. The rela...
Light has angular momentum properties. Circularly polarized or elliptically polarized beams carry spin angular momentum (SAM), while beams with helical phase wavefronts carry orbital angular momentum (OAM). During the interaction between light and particles, the transfer of angular momentum can generate optical torque, driving particles to rotate. Among them, the transfer of optical spin angular m...
According to reports, Omnitron Sensors, a pioneer in the development of MEMS sensing technology for large-scale and low-cost markets, recently announced that it will collaborate with Silex Microsystems, a subsidiary of Semielectronics, to mass produce MEMS scanning mirrors for LiDAR.Eric Aguilar, co-founder and CEO of Omnitron Sensors, said, "We have noticed a huge demand from manufacturers of adv...
Gallium nitride (GaN) vertical cavity surface emitting laser (VCSEL) is a semiconductor laser diode with broad application prospects in various fields such as adaptive headlights, retinal scanning displays, nursing point testing systems, and high-speed visible light communication systems. Their high efficiency and low manufacturing costs make them particularly attractive in these applications.Gall...
It is reported that researchers from Foshan University, the Institute of Chemical Defense of the Academy of Military Sciences, the National Defense Technology Key Laboratory of Equipment Remanufacturing Technology of the Armored Forces Academy, and Chengdu State owned Jinjiang Machinery Factory have summarized and reported the latest progress of machine learning in defect detection and prediction ...