How Fiber Optic Cables Works: Complete Guide

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Fiber optic cables have changed the world of internet connectivity forever. By using Fiber cables, signals can be sent across the world with the speed of light and it is one of the fastest internet connections available in the market. If you too want to learn how Fiber optic cables work then you are in the right place. We make sure that you understand why Fiber optic connectivity is better than other connections. 

What Is Fiber Optical Technology

Fiber Optics or also known as Optical fibers are long and thin strands of carefully drawn glass about the diameter of human hair. These strands are bundled and these bundles are called fiber optics cables. Users all over the world rely on Fiber Optics cable to transmit signals in the form of light over long distances. 

At the starting source of transmitting, the light is encoded with data, the same data that you see on the screen of your computer. So the fiber cables transmit data by using light and at the other end of the cable, the data is decoded. So, fiber optics cables are more like tubes to carry data over a long distance. This method of transmitting data is also known as tubing. 

Fiber optics cables were first developed in the 1950s for endoscopes. In the 1960s telephone engineers found a way to use the same technology to transmit signals with ease at the speed of light. The speed of light is about 1,86,000 miles per second in a vacuum but in cables, that speed cuts down to two-thirds of the original speed.

How Do Fiber Optic Cables Work?

Light signals travel down a fiber cable by bounding off the walls of cables repeatedly. Every single light particle (known as Photon) bounces down the pipe until it makes an internal mirror-like reflection.

The light beam then travels to the core of cable with high speeds. The core is the middle of the cable and the glass structure. Another layer of glass is wrapped around the core of the cable which is known as Cladding. Cladding is used to keep the light-based signals inside the cables and maintain the speed.

Types of Fiber Optic Cables

There are many types of Fiber optic cables and they end up performing several functions.

Single & Multimode Fiber

Fiber optic cables carry light signals in Modes. A Mode is a path that a light beam follows when traveling down the fiber cables. There are single and multimode fiber optics cables. 

Single-mode fiber optics cable is the simplest structure that you’ll come across. It contains very thin core and all the signals travel straight up and down without touching and bouncing off the edges. Single-mode fiber optics cable is often used for CATV, High-speed internet connection, and Telephone application where the single-mode fiber optics cable is wrapped into a bundle. 

Multimode Cables are used as patch cords or Jumpers to interconnect data equipment. Multimode Fiber is the other type of fiber optic cables. It is around 10 times larger than the single-mode fiber optics cable. The light beams can travel in multiple directions or in multiple modes. The downfall is that these cables can only send data over very short distances. Therefore, they are used to interconnecting computer networks as they can work more efficiently over a short distance. 

Multimode cables also have different types. They are identified as “OM” (Optical Multimode). OM can be of different types and each OM has a minimum bandwidth requirement. 

Best Fiber Internet Service Providers

Fiber internet is the fastest and most reliable internet service out there. When you compare fiber internet with Cable or DSL internet connection, Fiber internet will always come out on the top. Not every internet provider has fiber internet connectivity but if you do get providers in your area who offer fiber connectivity then we suggest you take it. Here’s a list of best Fiber internet service providers

ProviderSpeed RangePrice RangeCustomer Rating
Verizon FiOS100 – 940 MBPS$39.99 – $79.99/mo4.17/5
Optimum Altice Fiber200 – 940 MBPS$44.99 – $74.99/mo3.92/5
AT&T Fiber100 – 1000 MBPS$50 – $90/mo4.09/5
Frontier FiOS50 – 1000 MBPS$30 – $200/mo3.99/5
CenturyLink10 – 1000 MBPS$45 – $85/mo3.99/5

These providers are the top fiber providers in the USA. You can run a home or small business on fiber internet connection. All these providers make sure you get the speeds you desire and you can get the right speed range with these providers. We hope you understand how fiber cables work and what do you get with fiber internet service providers.

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