Corning Incorporated 1 article published in JoVE Engineering Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light Salman Karbasi1, Ryan J. Frazier1, Craig R. Mirr1, Karl W. Koch2, Arash Mafi1 1Department of Electrical Engineering and Computer Science, University of Wisconsin-Milwaukee, 2Corning Incorporated, Corning, New York We develop and characterize a disordered polymer optical fiber that uses transverse Anderson localization as a novel waveguiding mechanism. This microstructured fiber can transport a small localized beam with a radius that is comparable to the beam radius of conventional optical fibers.