JOEL WILLIAMS, ASSOCIATE EDITOR [email protected]Researchers from the Institute of Intense Lasers and Applications (CELIA) at the University of Bordeaux have developed a glass micro-drilling method using a femtosecond laser operating in gigahertz-burst (GHz burst) mode. The researchers used the method to achieve taper-free, elongated holes with smooth inner walls without creating cracks in the glass. Typically, laser drilling with standard single femtosecond pulses results in tapered holes of strongly limited length and rough inner surface. The laser-matter interaction regime permits the drilling of holes with high aspect ratio in a...Read full articleRelated content from Photonics MediaArticlesUV-based 3D Printing Accelerates Multipurpose Glass ProductionCurrent 3D-printing techniques for fabricating glass involve time-consuming processes that require high temperatures and considerable resources to complete. 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