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
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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