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Product Category: Projects
Product Code: 00000497
No of Pages: 61
No of Chapters: 4
File Format: Microsoft Word
Price :
$20
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TABLE
OF CONTENT
PAGES
Title
Page i
Certification ii
Dedication iii
Acknowledgement
iv
Table
of Content v
CHAPTER ONE
1.0 Introduction 1
1.1 History and Current Research 1
CHAPTER TWO
2.0 Fibre 4
2.1 Mineral Fibers 5
2.2 Fiber Optics 6
2.2.1 Monomode and Multimode Fibers 7
2.3 Operation 10
2.3.1 Optical Path in Fibers 12
2.3.2 Maximum Angle of Incidence 14
2.3.3 Refracted Rays 15
2.3.4 Optical Fibre in Waveguides 17
CHAPTER THREE
3.0 Application
3.1 Uses of Optical Fibres
3.1.1 Communication
3.1.2 Losses of Power, Dispersion
3.1.2.1 Light Signal Transmission, Conversion to
Sound
3.2 Optical Fibre Telecommunication
3.3 Radio Telecommunication
3.3.1 Local Area Networks
3.3.2 Advantages of Optical Fibers Over Wires
3.3.3 Disadvantages of Optical Fibers Over Wires
CHAPTER FOUR
4.0 Critical Analysis
4.1 Conclusion
4.2 References
CHAPTER ONE
INTRODUCTION
FIBER OPTICS:- This is a branch of
Optics dealing with the transmission of light through hair – thin, transparent
fibers. LIGHT Signals that enter at one
end of a fiber travel through the fiber with very low loss of light, even if
the fiber is curved. A basic fiber –
optic systems consists of a transmitting device (which generates the light
signal) An optical – fiber cable (which carries the light), and a receiver
(which accepts the transmitted light signal) and converts it to an electrical
signal.
1.1 HISTORY AND CURRENT RESEARCH
In
the early 1950’s Abraham Van Heel of the Delft University of Technology in
In
1967 electrical engineers Charles Kao and George Hockham of
The
development of new Optical techniques will expand the capability of fiber optic
systems. Newly developed of new optical
fiber amplifiers, for example, can directly amplify optical signals without
first converting them to an electrical signal, speeding up transmission and lowering
power requirements. Dense wave division
Multiplexing (DWDM) another new fiber – Optic technique, puts many colours of
light spread into a single strand of fiber – optic cable.
Each colour carries a separate data stream. Using DWDM, a single strand of fiber – Optic cable can carry up to 3 million bits of information per second. At that rate, downloading the entire contents of the library of congress, a feat requiring 82 years with a dial-up modern, would take just 48 seconds.
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