Fabrication of Robust Optical Fibers by Controlling Film Drainage of Colloids in Capillaries


  • This work was supported by a grant from the Creative Research Initiative Program of the Ministry of Education, Science and Technology for “Complementary Hybridization of Optical and Fluidic Devices for Integrated Optofluidic Systems.”


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Photonic crystal fibers have been created using the spontaneous crystallization of colloidal particles in a photocurable resin coated on the inner wall of microcapillaries. The controlled deposition of films on the microcapillaries allows the thickness and number of layers in the photonic crystal fibers to be controlled. A stop band in a colloidal photonic crystal fiber can enhance the efficiency of light guidance (see picture).