Chinese laser enables drones to fly longer

A team of researchers in China has developed a technique to extract laser beam energy and direct it toward drones, enabling them to fly continuously. This is achieved through a lightweight device based on enhanced solar cells that handle the laser’s heat and convert it into electricity with an efficiency of up to 38.49%. The device is designed to capture laser energy and transform it to sustain the drone's operation during flight, opening up broad applications in emergency response, transportation, and military surveillance—particularly in hard-to-reach areas. With this technology, drones could potentially stay airborne for days without stopping. Although the experiment was conducted in a laboratory setting, live tests have not yet been performed. The researchers plan to test the system on a lightweight aircraft in an open environment to ensure safety and efficacy.

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