First-of-its-kind crystal laser could power safer sensors and smarter tech . Exciting developments in laser technology! 🌟 Researchers from The Grainger College of Engineering at the University of Illinois Urbana-Champaign have pioneered a new type of photonic-crystal surface-emitting laser (PCSEL) that operates safely at room temperature. This innovative design utilizes a buried dielectric material instead of air holes, ensuring the integrity of the photonic crystal structure during fabrication. With applications in defense tech like LiDAR for battlefield mapping and navigation, this advancement could redefine efficiency and safety in numerous fields. As PCSELs evolve, we can look forward to their potential use in autonomous vehicles and advanced communication systems. What are your thoughts on how this technology could transform our future? Let us know in the comments! 👇#MaterialScience #Nanotech #SEM #Microstructure #Graphene #3DPrinting #BatteryTech #SurfaceEngineering #Metallurgy...