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Cristiano Cordeiro, a researcher and professor at the University of Campinas’ Physics Institute, has developed a method for fabricating optical fibers that is faster, simpler, and cheaper than conventional processes. The procedure roughly resembles the extrusion method used to produce pasta: Pressure is brought to bear on a ductile material so as to force it through a die, producing fiber with the appropriate inner structure, Cordeiro said. “ The conventional process requires very [...]