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Three-dimensional colloidal crystals microstucture fiber: fabrication and characterization

A new method of fabricating three-dimensional colloidal crystals microstuucture fiber is proposed. The cladding of single-mode fiber was eroded to 60nm by HF and The eroded cladding was observed by microscopy and scanning electron microscopy. Colloidal photonic crystal was self-assembled onto the eroded cladding through isothermal heating evaporation induced self-assembly, and the colloidal photonic crystals cylindrical annulus embeded in fiber was characterized by scanning electron microscopy. The results shows the colloidal photonic crystals well-orderedly self-assembled onto the fiber cladding, and the results also demonstrate a practical means of coating macro- or micro-curved surfaces with three dimensional photonic crystals.