文档介绍：Prelims 3/5/01 11:48 Page i
Introduction to
Fiber Optics
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Introduction to
Fiber Optics
2nd Edition
John Crisp
OXFORD AUCKLAND BOSTON JOHANNESBURG MELBOURNE NEW DELHI
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Newnes
An imprint of Butterworth–Heinemann
Linacre House, Jordan Hill, Oxford OX2 8DP
A division of Reed Educational and Professional Publishing Ltd
A member of the Reed Elsevier plc group
First published 1996
Reprinted 1997, 1998, 1999, 2000 (three times), 2001
Second edition 2001
© John Crisp 1996, 2001
All rights reserved. No part of this publication may be reproduced in any material form
(including photocopying or storing in any medium by electronic means and whether or
not transiently or incidentally to some other use of this publication) without the written
permission of the copyright holder except in accordance with the provisions of the
Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the
Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London, England W1P 0LP.
Applications for the copyright holder’s written permission to reproduce any part of this
publication should be addressed to the publishers.
British Library Cataloguing in Publication Data
A catalogue record for this book is available from the British Library
ISBN 07506 50303
Composition by Scribe Design, Gillingham, Kent
Printed and bound in Great Britain by Biddles Ltd,
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Contents
Preface vii
1 Optic fiber and light — a bination 1
2 What makes the light stay in the fiber? 9
3 The choice of frequency 17
4 Propagation of light along the fiber 22
5 Decibels 39
6 Losses in optic fibers 50
7 Dispersion and our attempts to prevent it 59
8 Real cables 68
9 Connecting optic fibers — the problems 82
10 Fusion splicing 92
11 Mechanical splices 103
12 Connectors 108
13 Couplers 126
14 Light sources and d