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Published online by Cambridge University Press: 01 February 2011
Fabrication of functional devices in fibers by thermal drawing requires a material identification scheme and challenging composite material processing. A macroscopic preform rod containing metallic, semiconducting and insulating constituents in a variety of geometries and close contact leads to kilometer-long novel optoelectronic, and thermal mesoscopic fiber devices. The preform-to-fiber approach yields spectrally tunable photodetectors and integrated self-monitoring fibers.