1、 IEC TR 62349 Edition 2.0 2014-02 TECHNICAL REPORT Guidance of measurement methods and test procedures Basic tests for polarization-maintaining optical fibres IEC TR 62349:2014-02(EN)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by
2、 James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any m
3、eans,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,pl
4、ease contact the address below or your local IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the
5、leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrige
6、nda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/catalogue The stand-alone application for consulting the entire bibliographical information on IEC International Standards,Technical Specifications,Technical Reports and other documents.Available for PC,Mac OS,Android Tablet
7、s and iPad.IEC publications search-www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished
8、 Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and definition
9、s in English and French,with equivalent terms in 14 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC Glossary-std.iec.ch/glossary More than 55 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause
10、 of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centr
11、e:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC TR 62349 Edition 2.0 2014-02 TECHNICAL REPORT Guidance of measurement methods and tes
12、t procedures Basic tests for polarization-maintaining optical fibres INTERNATIONAL ELECTROTECHNICAL COMMISSION T ICS 33.180.10 PRICE CODE ISBN 978-2-8322-1396-4 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authoriz
13、ed distributor.colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TR 62349 IEC:2014(E)CONTENTS FOREWORD.4 1 Scope and object.6 2 Normative
14、 references.6 3 Terms and definitions.6 4 Testing conditions.7 5 Guidance for dimensional characteristics measurement of polarization-maintaining optical fibres.7 5.1 Object.7 5.2 Overview of method.7 5.3 Reference test method.8 6 Guidance for cut-off wavelength measurement of polarization-maintaini
15、ng optical fibres.8 6.1 Object.8 6.2 Overview of method.8 7 Guidance for mode field diameter measurement of polarization-maintaining optical fibres.8 7.1 Object.8 7.2 Overview of method.8 8 Guidance for beat length measurement of polarization-maintaining optical fibres.9 8.1 Object.9 8.2 Overview of
16、 methods.9 8.3 Reference test method.9 8.4 Specimen.9 8.5 Beat length measuring method.9 Method A:Phase beat length measurement method.9 8.5.1 Method B:Group beat length measurement method.12 8.5.28.6 Results.12 Information available with each measurement.12 8.6.1 Information available upon request.13 8.6.29 Guidance for polarization crosstalk measurement of polarization-maintaining optical fibres.13 9.1 Object.13 9.2 Polarization crosstalk measuring method.13 General.13 9.2.1 Method A:Power
