1、Optical fibresPart 2-70: Product specifications - Sectional specification for polarization-maintaining fibres (IEC 60793-2-70:2017)BS EN 60793-2-70:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60793-2-70 May
2、 2017 ICS 33.180.10 English Version Optical fibres - Part 2-70: Product specifications - Sectional specification for polarization-maintaining fibres (IEC 60793-2-70:2017) Fibres optiques - Partie 2-70: Spcifications de produits - Spcification intermdiaire relative aux fibres maintien de la polarisat
3、ion (IEC 60793-2-70:2017) Lichtwellenleiter - Teil 2-70: Produktspezifikationen - Rahmenspezifikation fr polarisationserhaltende Fasern (IEC 60793-2-70:2017) This European Standard was approved by CENELEC on 2017-03-14. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations wh
4、ich stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. Th
5、is European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN
6、ELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherl
7、ands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Managem
8、ent Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60793-2-70:2017 E National forewordThis British Standard is the UK implementation of EN 60793-2-70:2017. It is identical to IEC 60793
9、-2-70:2017.The UK participation in its preparation was entrusted to Technical Committee GEL/86/1, Optical fibres and cables.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a
10、 contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 93520 6ICS 33.180.10Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under th
11、e authority of the Standards Policy and Strategy Committee on 30 September 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60793270:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60793-2-70 May 2017 ICS 33.180.10 English Version Optical fibres - P
12、art 2-70: Product specifications - Sectional specification for polarization-maintaining fibres (IEC 60793-2-70:2017) Fibres optiques - Partie 2-70: Spcifications de produits - Spcification intermdiaire relative aux fibres maintien de la polarisation (IEC 60793-2-70:2017) Lichtwellenleiter - Teil 2-7
13、0: Produktspezifikationen - Rahmenspezifikation fr polarisationserhaltende Fasern (IEC 60793-2-70:2017) This European Standard was approved by CENELEC on 2017-03-14. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
14、Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions
15、 (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committ
16、ees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slova
17、kia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN
18、ELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60793-2-70:2017 E BS EN 60793270:2017EN 60793-2-70:2017 2 European foreword The text of document 86A/1741/CDV, future edition 1 of IEC 60793-2-70, prepared by SC 86A “Fibres and cables“ o
19、f IEC/TC 86 “Fibre optics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60793-2-70:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2
20、017-12-14 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-03-14 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or
21、 all such patent rights. Endorsement notice The text of the International Standard IEC 60793-2-70:2017 was approved by CENELEC as a European Standard without any modification. BS EN 60793270:2017EN 60793-2-70:2017 2 European foreword The text of document 86A/1741/CDV, future edition 1 of IEC 60793-2
22、-70, prepared by SC 86A “Fibres and cables“ of IEC/TC 86 “Fibre optics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60793-2-70:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identica
23、l national standard or by endorsement (dop) 2017-12-14 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-03-14 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall n
24、ot be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60793-2-70:2017 was approved by CENELEC as a European Standard without any modification. EN 60793-2-70:2017 3 Annex ZA (normative) Normative references to international
25、 publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the re
26、ferenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available h
27、ere: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60793-1-20 2014 Optical fibres - Part 1-20: Measurement methods and test procedures - Fibre geometry EN 60793-1-20 2014 IEC 60793-1-21 - Optical fibres - Part 1-21: Measurement methods and test procedures - Coating geometry EN 60793-1-21 - I
28、EC 60793-1-22 - Optical fibres - Part 1-22: Measurement methods and test procedures - Length measurement EN 60793-1-22 - IEC 60793-1-30 - Optical fibres - Part 1-30: Measurement methods and test procedures - Fibre proof test EN 60793-1-30 - IEC 60793-1-40 - Optical fibres - Part 1-40: Measurement me
29、thods and test procedures - Attenuation EN 60793-1-40 - IEC 60793-1-44 2011 Optical fibres - Part 1-44: Measurement methods and test procedures - Cut-off wavelength EN 60793-1-44 2011 IEC 60793-1-45 (mod) 2001 Optical fibres - Part 1-45: Measurement methods and test procedures - Mode field diameter
30、EN 60793-1-45 2003 - - + corr. Apr. 2004 IEC 60793-1-46 - Optical fibres - Part 1-46: Measurement methods and test procedures - Monitoring of changes in optical transmittance EN 60793-1-46 - IEC 60793-1-52 - Optical fibres - Part 1-52: Measurement methods and test procedures - Change of temperature
31、tests EN 60793-1-52 - BS EN 60793270:2017EN 60793-2-70:2017 4 Publication Year Title EN/HD Year IEC 60793-1-60 - Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length EN 60793-1-60 - IEC 60793-1-61 - Optical fibres - Part 1-61: Measurement methods and test procedures - Po
32、larization crosstalk EN 60793-1-61 - IEC 60793-2 - Optical fibres - Part 2: Product specifications - General EN 60793-2 - 2 IEC 60793-2-70:2017 IEC 2017 CONTENTS FOREWORD . 4 1 Scope 6 2 Normative references 6 3 Terms and definitions 7 4 Specifications 7 4.1 General . 7 4.2 Dimensional requirements
33、. 7 4.3 Mechanical requirement 8 4.4 Transmission requirements . 8 4.5 Environmental requirements . 9 Annex A (normative) Family specification for category D1 polarization-maintaining fibres 10 General . 10 A.1Dimensional requirements . 10 A.2Mechanical requirement 10 A.3Transmission requirements .
34、10 A.4Environmental requirements . 11 A.5Annex B (normative) Family specification for category D2 polarization-maintaining fibres 12 General . 12 B.1Dimensional requirements . 12 B.2Mechanical requirement 12 B.3Transmission requirements . 12 B.4Environmental requirements . 13 B.5Annex C (normative)
35、Family specification for category D3 polarization- maintaining fibres 14 General . 14 C.1Dimensional requirements . 14 C.2Mechanical requirement 14 C.3Transmission requirements . 14 C.4Environmental requirements . 15 C.5Annex D (normative) Mode field diameter (MFD) measurement of PM fibre 16 Annex E
36、 (informative) Cut-off wavelength of PM fibre and SM fibre 17 Bibliography 19 Figure E.1 Cut-off wavelength profiles of PM fibre and SM fibre 17 Figure E.2 Cut-off wavelength profile of PM fibre with extra bending . 18 Table 1 Categories of glass core/glass clad polarization-maintaining fibres 6 Tab
37、le 2 Dimensional attributes and measurement methods 8 Table 3 Mechanical attribute and test method 8 Table 4 Transmission attributes and measurement methods 9 Table 5 Environmental exposure tests . 9 Table 6 Attributes measured 9 Table A.1 Dimensional requirements specific to D1 fibres 10 BS EN 6079
38、3270:2017EN 60793-2-70:2017 4 Publication Year Title EN/HD Year IEC 60793-1-60 - Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length EN 60793-1-60 - IEC 60793-1-61 - Optical fibres - Part 1-61: Measurement methods and test procedures - Polarization crosstalk EN 60793-1-
39、61 - IEC 60793-2 - Optical fibres - Part 2: Product specifications - General EN 60793-2 - 2 IEC 60793-2-70:2017 IEC 2017 CONTENTS FOREWORD . 4 1 Scope 6 2 Normative references 6 3 Terms and definitions 7 4 Specifications 7 4.1 General . 7 4.2 Dimensional requirements . 7 4.3 Mechanical requirement 8
40、 4.4 Transmission requirements . 8 4.5 Environmental requirements . 9 Annex A (normative) Family specification for category D1 polarization-maintaining fibres 10 General . 10 A.1Dimensional requirements . 10 A.2Mechanical requirement 10 A.3Transmission requirements . 10 A.4Environmental requirements
41、 . 11 A.5Annex B (normative) Family specification for category D2 polarization-maintaining fibres 12 General . 12 B.1Dimensional requirements . 12 B.2Mechanical requirement 12 B.3Transmission requirements . 12 B.4Environmental requirements . 13 B.5Annex C (normative) Family specification for categor
42、y D3 polarization- maintaining fibres 14 General . 14 C.1Dimensional requirements . 14 C.2Mechanical requirement 14 C.3Transmission requirements . 14 C.4Environmental requirements . 15 C.5Annex D (normative) Mode field diameter (MFD) measurement of PM fibre 16 Annex E (informative) Cut-off wavelengt
43、h of PM fibre and SM fibre 17 Bibliography 19 Figure E.1 Cut-off wavelength profiles of PM fibre and SM fibre 17 Figure E.2 Cut-off wavelength profile of PM fibre with extra bending . 18 Table 1 Categories of glass core/glass clad polarization-maintaining fibres 6 Table 2 Dimensional attributes and
44、measurement methods 8 Table 3 Mechanical attribute and test method 8 Table 4 Transmission attributes and measurement methods 9 Table 5 Environmental exposure tests . 9 Table 6 Attributes measured 9 Table A.1 Dimensional requirements specific to D1 fibres 10 BS EN 60793270:2017IEC 60793-2-70:2017 IEC
45、 2017 3 Table A.2 Mechanical requirement specific to D1 fibres . 10 Table A.3 Transmission requirements specific to D1 fibres 11 Table A.4 Environmental requirements specific to D1 fibres . 11 Table B.1 Dimensional requirements specific to D2 fibres 12 Table B.2 Mechanical requirement specific to D2
46、 fibres . 12 Table B.3 Transmission requirements specific to D2 fibres 13 Table B.4 Environmental requirements specific to D2 fibres . 13 Table C.1 Dimensional requirements specific to D3 fibres 14 Table C.2 Mechanical requirement specific to D3 fibres . 14 Table C.3 Transmission requirements specif
47、ic to D3 fibres 15 Table C.4 Environmental requirements specific to D3 fibres . 15 BS EN 60793270:2017IEC 60793-2-70:2017 IEC 2017 3 Table A.2 Mechanical requirement specific to D1 fibres . 10 Table A.3 Transmission requirements specific to D1 fibres 11 Table A.4 Environmental requirements specific
48、to D1 fibres . 11 Table B.1 Dimensional requirements specific to D2 fibres 12 Table B.2 Mechanical requirement specific to D2 fibres . 12 Table B.3 Transmission requirements specific to D2 fibres 13 Table B.4 Environmental requirements specific to D2 fibres . 13 Table C.1 Dimensional requirements sp
49、ecific to D3 fibres 14 Table C.2 Mechanical requirement specific to D3 fibres . 14 Table C.3 Transmission requirements specific to D3 fibres 15 Table C.4 Environmental requirements specific to D3 fibres . 15 4 IEC 60793-2-70:2017 IEC 2017 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRES Part 2-70: Product specifications Sectional specification for polarization-maintaining fibres FOREW
