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Graphene aids lens technology breakthrough

A flat optical lens just a billionth of a metre thick will let us see living creatures as small as a single bacterium better than ever before. The new lens, developed by researchers at Swinburne University of Technology, promises to revolutionise much of the technology around us. Driven by developments in photonic chips and nano-optics, the global race to create a practical ultrathin lens that breaks the diffraction limit — enabling a focus less than half the wavelength of light — had been gathering pace since the turn of the millennium.”

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