Chinese researchers have invented a new lightweight laser system that enables small drones to shoot powerful beams that can slice through metal. This project, led by Li Xiao at the National University of Defence Technology, tackles a significant problem: the challenge of fitting high-powered lasers onto smaller platforms, which has traditionally needed large, truck-sized systems.
Innovative Design
The new technology employs a redirecting apparatus with two tubes similar to telescopes. One of the tubes captures a laser beam generated by a ground-based source, while the second one directs it towards the intended target. To enhance accuracy, the setup includes high-precision servo mechanisms—these are systems that utilize motors and sensors to meticulously control component movements—as well as reflective mirrors, which help the laser avoid obstacles like buildings and hit specific vulnerable areas.
Enhanced Laser Power
According to the researchers, this system can elevate laser power to 30kW or more, producing beam intensities potent enough to cause blindness or even vaporize materials that are exposed. The team also tackled issues related to drone vibrations—these disturbances can scatter beams and lower accuracy—by integrating cutting-edge vibration isolation technology alongside optical stabilization. They envision a future where multiple drones collaborate to identify ‘targets’ and request laser support from the ground, allowing for quicker responses. The study indicates that these lasers can indeed cut through metals, an advancement that could lead to significant consequences.
Practical Applications
Drones equipped with these capabilities could act as affordable platforms for precise laser systems, potentially transforming military and industrial uses. This innovation might pave the way for new opportunities in various fields.
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