Generally, fiber optic cables are made of three layers: the jacket, the cladding, and the core. The core is made of germania-doped silica which contains and reflects light. The surrounding cladding is made of pure silica and reflects the light that travels down the core. The jacket is made of an acrylate coating and protec

Singlemode: Singlemode fiber is a single, tiny strand of fiber optic glass, usually 7.1 or 8.5mm in diameter, that is used in telephone applications, cable television, or campus backbones. It only allows a single ray of light to pass through the fiber at a time. This type of cable lends itself to very long runs.

Multimode: Multimode's fiber optic core is much larger, usually 62.5mm in diameter, than that of the singlemode fiber. This type of fiber can accommodate many rays along it's core simultaneously lending itself to voice and data applications. Telephone companies typically use this type of fiber because it can accommodate hundreds of phone conversations along one fiber.

Duplex Fiber: A cable with two strands of fiber bound together in separate jackets.

Single-mode fiber gives you a higher transmission

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Approximate Word count = 551
Approximate Pages = 2 (250 words per page double spaced)