+Optical fiber is a slender strand of glass or plastic, thinner than a human hair, designed to guide [Light](/wiki/light) over long distances. It forms the backbone of modern [Telecommunications](/wiki/telecommunications), enabling rapid data transfer through pulses of light.
+## See also
+- [Fiber Optics](/wiki/fiber_optics)
+- [Data Transmission](/wiki/data_transmission)
+- [Bandwidth](/wiki/bandwidth)
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