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Optical fibres are highly engineered transmission lines that play a vital role in modern communications systems. i) With the aid of cross-sectional diagrams, compare step, graded index and single-mode optical fibre cables. Explain what is meant by the term 'critical angle' in this context. ii) Explain why a single-mode fibre-optic cable is better suited to the transmission of data over a significant distance. What is its disadvantage?

Optical fibres are highly engineered transmission lines that play a vital role in modern communications systems. i) With the aid of cross-sectional diagrams, compare step, graded index and single-mode optical fibre cables. Explain what is meant by the term 'critical angle' in this context. ii) Explain why a single-mode fibre-optic cable is better suited to the transmission of data over a significant distance. What is its disadvantage?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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b) Optical fibres are highly engineered transmission lines that play a vital role in modern communications systems. i) ii) With the aid of cross-sectional diagrams, compare step, graded index and single-mode optical fibre cables. Explain what is meant by the term 'critical angle' in this context. Explain why a single-mode fibre-optic cable is better suited to the transmission of data over a significant distance. What is its disadvantage?
Transcribed Image Text:b) Optical fibres are highly engineered transmission lines that play a vital role in modern communications systems. i) ii) With the aid of cross-sectional diagrams, compare step, graded index and single-mode optical fibre cables. Explain what is meant by the term 'critical angle' in this context. Explain why a single-mode fibre-optic cable is better suited to the transmission of data over a significant distance. What is its disadvantage?
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