Comparing Fiber Optics to Copper

Comparing Fiber Optics to Copper

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Credit: CHARLES FALCO/SCIENCE PHOTO LIBRARY

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Caption: Comparing the size of fiber optics to a penny. Fiber optics are used for transmitting data in the form of light. They are usually made from flexible glass that has a high refractive index. Each fiber consists of a core with an outer protective layer (cladding) that has a lower refractive index than the core. Light traveling through the fiber is contained within the core because of total internal reflection at the core/cladding boundary. This allows data to be transmitted over long distances with little information loss. Magnification x20.

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Keywords: bunch, bundle, color enhanced, colorized, communication, communications, comparison, conducting, copper, core, data transmission, enhancement, fiber optics, illuminated, lights, lit, optical, optical fibers, penny, physical, physics, red fibers, refractive index, technological, technology, telecommunication, telecommunications, transmitting

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