How are Fiber Optics Made?

Many People ask how fiber optics are made. You can't just use "regular" glass. If you were to make optical fiber from ordinary window glass, the light that you shine through it would have a difficult time traveling more than a few kilometers, let alone the distances necessary for long distance transmission.

That's because ordinary glass contains distortions, discolorations and other impurities that would quickly absorb, reflect, or otherwise disperse light long before it could travel any great distance. Click here to read Corning's White Paper on the Advantages of the Corning Process In contrast, because optical fiber is actually made from very pure glass, the light traverses great distances largely unimpeded by impurities and distortions. More.

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