What Are Optical Fibres Made from?

Answer

Optical fibers are been used in the modern communication methods and they can carry information efficiently over long distances. Optical cables are made of materials which are high refractive index which ensures that the light is reflected back inside the fiber. Fiber-optic cable can be made by bundling a number of optical fibers together and protecting it in a resin or plastic coating. This cable can then carry light for long distances and remain flexible.
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