Fibre optic cable thesis

Background[ edit ] First developed in the s, fiber-optics have revolutionized the telecommunications industry and have played a major role in the advent of the Information Age. Because of its advantages over electrical transmissionoptical fibers have largely replaced copper wire communications in core networks in the developed world. The process of communicating using fiber-optics involves the following basic steps:

Fibre optic cable thesis

Fiber Optic Cable Cable Types: Zipcord, Distribution, Loose Tube, Breakout Cable provides protection for the optical fiber or fibers within it appropriate for the environment in which it is installed. Fiber optic "cable" refers to the complete assembly of fibers, other internal parts like buffer tubes, ripcords, stiffeners, strength members all included inside an outer protective covering called the jacket.

Fiber optic cables come in lots of different types, depending on the number of fibers and how and where it will be installed. It is important to choose cable carefully as the choice will affect how easy the cable is to install, splice or terminate and what it will cost. Cable's job is to protect the fibers from the environment encountered in an installation.

Will the cable become wet or moist? Will it have to withstand high pulling tension for installation in conduit or continual tension as in aerial installations?

Does it have to be flame-retardant? Will the cable be exposed to chemicals or have to withstand a wide temperature range? What about being gnawed on by a woodchuck or prairie dog? Inside buildings, cables don't have to be so strong to protect the fibers, but they have to meet all fire code provisions.

Outside the building, it depends on whether the cable is buried directly, pulled in conduit, strung aerially or whatever. All cables are comprised of layers of protection for the fibers.

Most all start with standard fiber with a primary buffer coating microns and add: Tight buffer coating tight buffer cables like simplex, zipcord, distribution and breakout types: A soft protective coating applied directly to the micron coated fiber to provide additional protection for the fiber, allowing easier handling, even direct termination on the fiber.

Loose Tubes loose tube cables: Small, thin plastic tubes containing as many as a dozen micron buffered fibers used to protect fibers in cables rated for outside plant use. They allow the fibers to be isolated from high pulling tension and can be filled with water-blocking materials to prevent moisture entry.

Strength members and stiffeners: Usually aramid yarn, the same used in bulletproof vests, often called by the duPont trade name Kevlar, which absorbs the tension needed to pull the cable and provides cushioning for the fibers.

Aramid fibers are used not only because they are strong, but they do not stretch. If pulled hard, they will not stretch but eventually break when tension exceeds their limits.

Optical Fiber Technology Ciena's Paulina Gomez details the security vulnerabilities, while Patrick Scully gives a live demo of how easy it is to tap a fiber cable. Have you ever set up a new smartphone?
General Advantage[ edit ] Low attenuation Signals transmitted on optical fiber attenuate much less than through other media like metal cables or wireless media. Wireless Communications[ edit ] In the area of Wireless Communications one main application is to facilitate wireless access, such as 5G and WiFi simultaneous from the same antenna.
Understanding Ethernet Cables – Thesis Pte Ltd It gives us knowledge. Sometimes we forget that Wi-Fi signals and connectivity still require a much underappreciated and most needed component — The Ethernet cable.
Fiber Optic Basics Fiber Optic Cable Cable Types:

This ensures that the strength members will not stretch and then relax, binding the fibers in the cable. The proper method of pulling fiber optic cables is always to attach the pull rope, wire or tape to the strength members.

Some cables also include a central fiberglass rod used for additional strength and to stiffen the cable to prevent kinking and damaging the fibers. When included, these rods should be attached to swivel pulling eyes.

The outermost layer of protection for the fibers that is chosen to withstand the environment in which the cable is installed. Outside cables will generally be black polyethelene PE which resists moisture and sunlight exposure.

Indoor cables use flame-retardant jackets that can be color-coded to identify the fibers inside the cable. Some outdoor cables may have double jackets with a metallic armor between them to protect from chewing by rodents or kevlar for strength to allow pulling by the jackets.

Indoor-outdoor cables have a PE outer jacket that can be removed to expose a flame-retardant inner jacket for use within buildings. Protection Against Water and Moisture:the implementation of the optic fibre cable line real-time detection and management, dynamic observations of the transmission properties of the optic fibre cable line degradation, the timely discovery and prevent hidden trouble, reduce the.

Design of High-Capacity Fiber-Optic Transport System by Zhi Ming Liao Submitted in Partial Fulfillment of the It may be challenging to fill pages of technical material for this thesis, but it We study the design of fiber .

Light travels through the fiber optic cable and bounces off at shallow angles, and stays completely within the glass fiber. How Fiber Optic Communications Work Fiber optics, in the world of technology, is used to carry voice, data, and video inside these strands of glass. The connector is a mechanical device mounted on the end of a fiber optic cable, light source, receiver, or housing.

Fiber Optic Basics

It allows it to be mated to a similar device. The transmitter provides the information-bearing light to the fiber optic cable through a connector. The receiver gets the. Fiber optics Thesis: Fiber optics is a cable that is quickly replacing out-dated copper wires. Fiber optics is based on a concept known as total internal reflection.

Fibre optic cable thesis

It can transmit video, sound, or data in either analog or digital form. Compared to copper wires it can transmit thousands of times more data (slide 2). Fibre Optic.

The connector is a mechanical device mounted on the end of a fiber optic cable, light source, receiver, or housing. It allows it to be mated to a similar device.

Fiber-optic communication - Wikipedia