Fiber optic internet is a relatively new data transmission technology that uses fiber-optic cables to transmit data. It is significantly faster than the traditional copper telephone cable, which has been the standard for transmitting voice and data since the early 20th century.
This blog post shares details about how fiber internet works in order to transmit high-speed internet to its users.
How Does Fiber Internet Work?
Fiber optic cables are made up of hundreds of optical fibers, that are 10x thinner than a human hair.
Light goes down a fiber optic link by bobbing off its walls, repeatedly. Each small particle of light reflects down the cable smoothly and at a very fast speed. Many might think that such a beam of light can run out the edges of the cable, but that does not happen. When light hits the glass cables at an angle less than 42-degrees, it reflects against the glass as if it were a mirror. This peculiarity is known as total internal reflection. It is something that keeps light inside the cable.
The other thing that keeps light in the cable is the construction of the cable itself, which is comprised of two separate parts:
- The Core is the innermost part of the fiber optic cable. It is mostly made of glass. This is where the light travels through initially.
- The Cladding is wrapped around the core and is made of a thicker layer of glass or plastic. This part makes sure that the light signals remain inside the core.
Thus, fiber internet transmits data in the form of light pulses through glass-based wires, which makes it faster, more reliable, and better than copper cable connections in every which way. These fiber optic cables have the potential to transmit data faster than copper and electrical cables. Fiber optic connections offer better bandwidth rates and frequency range, as well. Fiber optic signals are much less susceptible to being stolen, breached, or intercepted. Moreover, fiber lines are relatively more resistant to fire or environmental damage.
Fiber optic internet is a newer, more advanced technology than traditional DSL and cable. While it may seem like a complicated topic, we have explained ‘how does fiber optic internet work’ in a way that people who are far from technical knowledge can understand it too.
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