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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...
Recently, two leading UK scientific institutions, Diamond Light Source and National Physical Laboratory (NPL), have reached a new five-year agreement to promote joint collaborative efforts.The agreement was approved by signing a Memorandum of Understanding (MoU), which will bring these two institutions together.Diamond Light Source is a national synchrotron facility in the UK known for generating ...
Research backgroundIn transportation, industrial production, and practical life, icing often brings great troubles, and the most serious is that during the flight of an aircraft, key components once frozen will seriously affect navigation safety.The traditional passive deicing and anti icing strategies for aircraft, such as mechanical vibration and anti freezing liquids, have problems such as inco...
Scientists at the Technical University of Munich have made significant progress in measuring the Earth's rotation with unprecedented accuracy. Now, the ring laser from the Wettzell Geodetic Observatory can be used to capture data at a quality level unmatched anywhere in the world. These measurements are crucial for determining the position of the Earth in space, assisting climate research, and imp...
Additive manufacturing (AM) has made it possible to manufacture complex personalized items with minimal material waste, leading to significant changes in the manufacturing industry. However, optimizing and improving additive manufacturing processes remains challenging due to the complexity of design, material selection, and process parameters. This review explores the integration of artificial int...