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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Fibras ópticas</topic></authority><related type="other"><topic>Comunicaciones ópticas</topic></related><related type="other"><topic>Luz</topic></related><related type="other"><topic>Detectores ópticos</topic></related><related type="other"><topic>Luz-Propagación</topic></related><related type="other"><topic>Fibras de vidrio</topic></related><related type="broader"><topic>Materiales ópticos</topic></related><related type="broader"><topic>Fibras sintéticas</topic></related><variant type="other"><topic>Guías de luz (Óptica)</topic></variant><variant type="other"><topic>Óptica de fibras</topic></variant></mads>