StudentShare solutions
Triangle menu

Fibre Optics - Essay Example

Extract of sample
Fibre Optics

One of the modern and commonly used applications of fibre optics is high resolution visuals (HDTV) which has enabled us to view broadcasts at 1080p screen resolution which is a result of FTTc and FTTh (fibre to the curb) network. Satellites making use of fibre optics do not have to undergo lessening (fibreopticsinfo). There are generally six theories of light from which the theory of optical fibre has evolved. The relevant theories to optical fibre are emission theory, corpuscular theory, wav theory, electromagnetic theory and quantum theory. Reflection and refraction of light are vital elements in optical fibre. These two properties have been explained by Newton in his laws. Another very important property relative to fibre optics is the critical angle of light. Critical angle is defined as the minimum angle which can allow total internal reflection to take place. This is governed by Snell’s law. There are two theories which explain the propagation of light through optical fibres. The first theory is the ‘Ray Theory’ under which light is considered to be a simple ray of light and the propagation properties are relevant to that. This theory explains the accepting and guiding behavior of light inside a fibre (Sathish Kumar). The second theory is the ‘Mode Theory’ or the ‘Wave Representation’ approach. According to the Mode Theory, light is an electromagnetic wave and acts like an electromagnetic wave inside a fibre. This theory explains the phenomenon of absorption and dispersion of light inside a fibre as well as its attenuation (The Theory of Optical Fibres). Fibre optic cables are the source of transmission of light using the fibre optics technology. Fibre optic cables enable light to be transmitted along them from one point to another and there is no significant loss in the intensity of light which passes through fibre optical cables. The construction of a fibre optic cable has three main parts: A central core, cladding and a Plastic Jacket surrounding both the core is present at the centre of the cable which acts as a buffer. It is composed of fine quality thin transparent glass polymer or a dielectric. The refractive index of the core is ?1 and the diameter of the central core ranges from 10 ? to 100 ?. surrounding the central core is a jacket layer of plastic or glass called Cladding. The refractive index (?2) of the cladding has to be smaller than that of the central core so that the light stays inside the core due to total internal reflection (?1 > ?2). Safety and strength are provided to cable by surrounding the cladding and the central core with a plastic jacket or the buffer (Loremate). The transmission of light by fibre optics has the same basic components as the normal wiring transmitting devices. The system comprises of a transmitter, a medium through which the signals are propagated and a receiver. The propagating medium is a cable in case of fibre optics. The transmitter has an ability to emit light with the help of either a light emitting diode or a laser. The user inputs data into the transmitter in the form of audio, video or other data. The encoder or modulator used in the transmitter to convert electrical signals to optical signals is AM, FM or ...Show more

Summary

Fibre Optics Table of Contents Theory of light relevant to fibre optics Construction of fibre optic cables.  Basic fibre optic theory.  Types of fibre optic cable.  Sources and detectors used in fibre optic communication.  Attenuation in fibre optics systems.  Advantage of fibre optics compared to copper wire.  Use of fibre optics in aircraft systems.  Fibre Optics Technology over the past century has advanced greatly…
Author : cormierkristina
Fibre Optics essay example
Read Text Preview
Save Your Time for More Important Things
Let us write or edit the essay on your topic
"Fibre Optics"
with a personal 20% discount.
Grab the best paper

Related Essays

Fibre Optics
Basically, fiber optics refer to the cables or lines which contain optically pure glass used to transmit digital information signals. The bedrock of these cables is formed by this optically pure glass which is more or less as thin as a human hair but has astounding ability to carry digital information over far across corners of the world.
6 pages (1500 words) Essay
Fibre optics
In this theory the light is used in the approximation of the light acceptance and also as a guideline property to optical fiber (Hecht 1999, pg. 12). The next theory describes light as being an electromagnetic wave which is known as mode theory or the wave representation approach.
6 pages (1500 words) Essay
PLC Assignment 1
The PLC has the ability to be programmed for individualized tasks and is a versatile alternative to older hardwired relay arrangements. Its adaptability, size, and low cost have made the implementation of larger control systems possible.
4 pages (1000 words) Essay
Fibre optics
12). The next theory describes light as being an electromagnetic wave which is known as mode theory or the wave representation approach. In this theory, the behavior of light is able to be shown or rather described within the optical
6 pages (1500 words) Essay
Fibre Optics
One of the modern and commonly used applications of fibre optics is high resolution visuals (HDTV) which has enabled us to view broadcasts at 1080p screen resolution
6 pages (1500 words) Essay
Phy 155 Assignment
This product was however not marketed as a computer interface because it had not been registered commercially and was private property. The usage of the product remained limited to personal computers although
2 pages (500 words) Essay
Optical
Data in the optical fibre is transmitted inside the core which allows light transmission. The core makes up about 96% of the diameter of the entire fibre. Compared to the glass fibre, the core of plastic optic fibre
15 pages (3750 words) Essay
Homework
A qubit is a term shortened for quantum bit. From a traditional computer information storage is in binary form of 1 and 0. Whereas quantum bit can stores information in states of 1.0. Qubit represent atoms, ions and photons,
2 pages (500 words) Essay
Optical Fibre Communications
This report details the fundamental principles concerned with the construction of a basic optical fibre communications system in the laboratory. Fill in the spaces below, next to 2.1-2.3 and 3.1-3.4, to complete the Contents section. Every title you insert must have an
7 pages (1750 words) Essay
Optical systems
The cost consideration are making them more desired in their working. Internal structure of optical fibre constitute cylindrical strand coated with plastic. It is where the light passes through. The
7 pages (1750 words) Essay
Get a custom paper written
by a pro under your requirements!
Win a special DISCOUNT!
Put in your e-mail and click the button with your lucky finger
Your email
YOUR PRIZE:
Apply my DISCOUNT
Comments (0)
Rate this paper:
Thank you! Your comment has been sent and will be posted after moderation