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Due to the growing demand for renewable energy, the need for modern technologies to dismantle existing underwater infrastructure is also growing.For example, in order to boost the power of an offshore wind farm to a higher level, the existing old steel frame, which may be below sea level, must first be removed so that engineers can rebuild the steel frame for higher power.In laboratory tests, rese...

Liquid crystal elastomers are expected to be applied in displays, sensors, smart devices, and wearable devices.A team from POSTECH University in South Korea, led by Professor Su Seok Choi and Professor Seungmin Nam, has developed a new type of stretchable photonic device that can control the wavelength of light in various directions.This work was carried out by the Department of Electrical Enginee...

Aluminum alloy has unique advantages such as lightweight, high strength, and excellent corrosion resistance, and is highly favored in the aerospace manufacturing field. Laser Coaxial Fusion Additive Manufacturing (LCWAM) adopts beam shaping technology, which uses wire as the deposition material to melt and stack layer by layer. Compared to traditional side axis wire feeding technology, laser coaxi...

High energy, high average power femtosecond laser due to the attosecond high order harmonic generation, precision processing and manufacturing, biomedical and national defense and other fields of extensive application needs, is the forefront of ultrafast super laser technology research in the past decade.Especially fiber laser due to stable and reliable operation characteristics, compact structure...

An international team of scientists is rethinking the fundamental principles of radiation physics, aiming to create ultra bright light sources. In a new study published in Nature Photonics, researchers from the Higher Institute of Technology in Lisbon, Portugal, the University of Rochester, the University of California, Los Angeles, and the Optical Applications Laboratory in France proposed the us...