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  • Title: Patterning the tips of optical fibers with metallic nanostructures using nanoskiving.
    Author: Lipomi DJ, Martinez RV, Kats MA, Kang SH, Kim P, Aizenberg J, Capasso F, Whitesides GM.
    Journal: Nano Lett; 2011 Feb 09; 11(2):632-6. PubMed ID: 21188998.
    Abstract:
    Convenient and inexpensive methods to pattern the facets of optical fibers with metallic nanostructures would enable many applications. This communication reports a method to generate and transfer arrays of metallic nanostructures to the cleaved facets of optical fibers. The process relies on nanoskiving, in which an ultramicrotome, equipped with a diamond knife, sections epoxy nanostructures coated with thin metallic films and embedded in a block of epoxy. Sectioning produces arrays of nanostructures embedded in thin epoxy slabs, which can be transferred manually to the tips of optical fibers at a rate of approximately 2 min(-1), with 88% yield. Etching the epoxy matrices leaves arrays of nanostructures supported directly by the facets of the optical fibers. Examples of structures transferred include gold crescents, rings, high-aspect-ratio concentric cylinders, and gratings of parallel nanowires.
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