<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">optical fiber</topic></authority><related type="other"><topic>fiber optics</topic></related><related type="broader"><topic>synthetic fiber</topic></related><variant type="other"><topic>fibre, optical</topic></variant><variant type="other"><topic>fiber, optical</topic></variant><variant type="other"><topic>light guide</topic></variant> <note xml:lang="en"><![CDATA[ Very thin, flexible glass or plastic filament along which large quantities of textual data and images can be transmitted in the form of light pulses; for the branch of optics dealing with the transmission of light through optical fiber, use "fiber optics." ]]></note></mads>