How Fiber Optic Works?

In today’s digital landscape, transferring data over phone or computer is no big deal. Thanks to modern data communication technologies such as Micronet that have made it possible for individuals to stay connected like never before. But the technology seems pretty much easy above the surface is highly complex and intricate at the backend. And it is the magic of fiber optic technology that enables faster data communication over long distances.


A fiber-optic cable is typically comprised of amazingly thin elements of glass or plastic known as optical fibers and one cable can have as less as two strands or as many as several hundreds. In this system, data, voice, and images pass through in the form of light pulses instead of copper wire. Fiber optic technology has largely replaced copper wire in long-distance telephone networks, and it is mainly used to connect computers within local area networks. Fiber optics is also the basis of the fibre scopes utilized in scanning internal parts of the body (endoscopy) or examining the interiors of manufactured structural products.

Optical telecommunication is generally carried out using infrared light in the wavelength ranges of 0.8–0.9 μm or 1.3–1.6 μm—wavelengths that are efficiently produced by light-emitting diodes or semiconductor lasers and that encounter minimal attenuation in glass fibers.


Fibre scope examination in endoscopy or industry is performed in the visible wavelengths, one bundle of fibres being used to light up the inspected area with light and another bundle serving as an elongated lens for transferring the image to the human eye or a video camera.

For More: Why There is a Huge Demand for Air Blown Fiber?



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