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Patterning the tips of optical fibers with metallic nanostructures using nanoskiving

机译:使用纳米切削对具有金属纳米结构的光纤尖端进行图案化

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摘要

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.
机译:利用金属纳米结构对光纤的端面进行构图的便捷且廉价的方法将使许多应用成为可能。该通讯报道了一种生成金属纳米结构阵列并将其转移到光纤劈开面的方法。该过程依赖于纳米刮削,在纳米刮削中,配有金刚石刀的超薄切片机将涂有薄金属膜并嵌入环氧树脂块中的环氧纳米结构切片。切片产生嵌入在薄环氧树脂板上的纳米结构阵列,可以以大约2 min〜(-1)的速率将其手动转移到光纤尖端,产率为88%。蚀刻环氧树脂矩阵会留下由光纤的小面直接支撑的纳米结构阵列。转移的结构示例包括金新月形,环形,高纵横比同心圆柱体和平行纳米线的光栅。

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