Ultrashort Laser Pulses Slice Lab-Grown Diamond Along Useful Crystal Plane

Diamond is more than a gemstone; its high thermal conductivity, wide bandgap, and optical transparency make it ideal for next-generation semiconductors, high-power electronics, and demanding optical applications. Now, researchers have demonstrated that ultrashort laser pulses can slice lab-grown diamond along a specific crystal plane, a breakthrough that could unlock diamond's full potential in advanced technologies. The ability to precisely cut diamond along preferred crystallographic orientations is critical for manufacturing high-performance devices, as it ensures optimal thermal and electrical properties. This method avoids the mechanical stress and material loss associated with traditional sawing, enabling cleaner cuts and better surface quality. With lab-grown diamond becoming more accessible, this laser-based slicing technique could accelerate its adoption in industries ranging from power electronics to quantum technologies. The work highlights a practical path toward scalable, high-precision diamond processing—bringing diamond-based devices one step closer to commercial reality.