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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...
A project at Macquarie University has demonstrated a way to narrow the linewidth of a laser beam by a factor of over ten thousand.Published in APL Photonics, the technique offers a promising route toward ultra-narrow linewidth lasers for potential use in a wide range of pump-pulse systems.Laser linewidth measures how precisely a beam of light maintains its frequency and color purity, and narrow-li...
The new discovery by optical scientists has brought new vitality to fiber lasers. This innovative method significantly improves the power of lasers without reducing beam quality, and will become an important defense technology for future low-cost drones and remote sensing.The research teams from the University of South Australia, the University of Adelaide, and Yale University have demonstrated ne...
With the trend of industrial intelligence and precision processing, the demand for laser precision processing in precision 3C industry, machinery and equipment, new energy vehicles and other industries has developed rapidly, making the application of laser processing technology in the industrial field more comprehensive promotion.Due to the inherent nonlinear characteristics between optics and sca...
Latest news: Rheinmetall and European Missile Group Germany plan to establish a joint venture to develop shipborne laser weapons.The cooperation between the two companies in the field of military laser technology has been ongoing for several years. In 2022 and 2023, under the framework of the High Energy Marine Laser Demonstration Working Group (ARGE), the jointly developed laser was successfully ...