How Does Fiber-Optics Works

How Does Fiber-Optics Works

Light travels down a fiber-optic cable by bouncing repeatedly off the walls. Each tiny photon (particle of light) bounces down the pipe sort of a bobsleigh taking place an ice run. Now you would possibly expect a beam of sunshine , traveling during a clear glass pipe, simply to leak of the sides . But if light hits glass at a very shallow angle (less than 42 degrees), it reflects back in again—as though the glass were really a mirror. This phenomenon is named total internal reflection. It's one among the items that keeps light inside the pipe.

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The other thing that keeps light within the pipe is that the structure of the cable, which is formed from two separate parts. the most a part of the cable—in the middle—is called the core and that is the bit the sunshine travels through. Wrapped round the outside of the core is another layer of glass called the cladding. The cladding's job is to stay the sunshine signals inside the core. It can do that because it's made from a special sort of glass to the core. (fiber optic certified.)