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For a long time, craftsmen have been fascinated by the bright red color produced by gold nanoparticles scattered in colored glass masterpieces. The quantum origin of this optical miracle has always been mysterious, until modern advances in nanoengineering and microscopy revealed the complexity of plasma resonance.Now, researchers are preparing to push nano plasma technology, which was once used fo...
Researchers from the University of Aveiro in Portugal and the School of Engineering at Porto Institute of Technology (ISEP) in Portugal reported a study on the influence of laser beam intensity distribution on the geometric shape and process stability of lock holes under green laser radiation. The relevant paper titled "Influence of Laser Beam Intensity Distribution on Keyhole Geometry and Process...
BEIJING, Dec. 19 (Xinhua) -- A team of Chinese researchers used a novel theory to invent a new type of ultrathin optical crystal with high energy efficiency, laying the foundation for next-generation laser technology.This photo taken on Dec. 15, 2023 shows a Twist Boron Nitride (TBN) crystal placed on a piece of fused silica in Peking University, Beijing, capital of China. A team of Chinese rese...
According to reports, a research team at the University of Chicago in the United States recently demonstrated a new method for obtaining mid infrared emission using colloidal quantum dots (QDs), which may open up new applications for mid infrared light sources.Colloidal quantum dots are a type of semiconductor nanocrystal material that provides a promising approach for the synthesis of light sourc...
Recently, French femtosecond pulse and high peak power (PW class) laser manufacturer Amplitude announced that the company has launched a newly designed Satsuma X femtosecond laser, setting a new benchmark for industrial environments.This product was first announced in 2022 and is now available in a brand new design with proven durability and versatility. In pursuit of excellence and customer satis...