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Archaeologists have long wondered why the people of Anglo Saxon England began using more silver coins and fewer gold coins between 660 and 750 AD. Researchers in Europe now say they have developed a method to help find the answer. This technology combines laser ablation with traditional trace element analysis to match the isotopic abundance of silver bars in coins with known sources of metal ores ...
This week, an illustration was published on the cover of the international journal Science, showcasing a powerful mode-locked laser emitted from a miniature photonic semiconductor.A research team led by Alireza Marandi, a professor of electrical engineering and applied physics at the California Institute of Technology, has successfully developed a conventional mode-locked laser large enough to fit...
Due to research conducted by scientists from South Korea and the UK, the power of lasers will be able to increase by one million times. The researchers plan to apply this improvement for scientific purposes.The study was led by representatives of Strathclyde University and the Korea Institute UNIST and GIST. Behind the scenes footage of their work in the journal Nature Photonics. It has been prove...
Superlenses are nano artificial structures that can manipulate light, providing a technique that can significantly reduce the size and thickness of traditional optical components. This technology is particularly effective in the near infrared region, and has great prospects in various applications, such as LiDAR, which is called "the eye of autonomous vehicle", mini UAV and blood vessel detector.D...
Laser material processing has been widely used in advanced industries, ranging from designing and producing lightweight, ultra wear-resistant parts and equipment with complex geometric shapes to repairing damaged or worn components through technologies such as 3D printing of deposited metal powders or deposits.Use laser pulses for surface treatment to prevent fatigue. But the impact of such techno...