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Step-index Si-Ge-core silica-cladded optical fibers

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bstractSi­Gealloy­coresilica­claddedfibersweredrawn at a low temperature to minimize impurity diffusion. The elementalsegregationintheas­drawnfiberswasovercomebya thermal treatment. The transmission losses of the fibers were calculatedas28dB/cmat6.1μmwavelength.

KeywordsSi­Gealloys,mid­IRoptics,semiconductorfibers

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