New Laser Tech From Illinois Could Boost Future Drone and Missile Defenses

Engineers at the University of Illinois have developed a next-gen laser component that could improve missile defenses, power directed-energy systems, and enhance laser-based sensing on drones.

The breakthrough centers on photonic-crystal surface-emitting lasers (PCSELs), a type of laser known for delivering higher brightness and improved thermal control. The team introduced a redesigned structure, promising improvements in performance under sustained, high-power use.

Designed to operate at room temperature and emit eye-safe wavelengths, the upgraded PCSEL maintains beam integrity during continuous use, making it ideal for battlefield deployment.

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