BS-EN-60793-1-41-2003.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS EN 60793-1-41: 2003 Optical fibres Part 1-41: Measurement methods and test procedures Bandwidth The European Standard EN 60793-1-41:2003 has the status of a British Standard ICS 33.180.10 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:29:26 GMT+00:00
2、 2006, Uncontrolled Copy, (c) BSI BS EN 60793-1-41:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 15 January 2004 BSI 15 January 2004 ISBN 0 580 43255 6 National foreword This British Standard is the official English language version of
3、 EN 60793-1-41:2003. It is identical with IEC 60793-1-41:2003. It supersedes BS EN 60793-1-41:2002 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/1, Optical fibres and cables, which has the responsibility
4、to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “Internati
5、onal Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a Britis
6、h Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and
7、European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 27 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued si
8、nce publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:29:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 60793-1-41 NORME EUROPENNE EUROPISCHE NORM December 2003 CENELEC European Committee for Electrotechnical Standardization Comit Europen
9、 de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60793-1-41:2003 E ICS 33.180.10 Su
10、persedes EN 60793-1-41:2002 English version Optical fibres Part 1-41: Measurement methods and test procedures Bandwidth (IEC 60793-1-41:2003) Fibres optiques Partie 1-41: Mthodes de mesure et procdures dessai Largeur de bande (CEI 60793-1-41:2003) Lichtwellenleiter Teil 1-41: Messmethoden und Prfver
11、fahren Bandbreite (IEC 60793-1-41:2003) This European Standard was approved by CENELEC on 2003-11-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteratio
12、n. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by transl
13、ation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
14、Hungary, Iceland, Ireland, Italy, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:29:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60793-1-41:2003 - 2 - Foreword The tex
15、t of document 86A/841/FDIS, future edition 2 of IEC 60793-1-41, prepared by SC 86A, Fibres and cables, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60793-1-41 on 2003-11-01. This European Standard supersedes EN 60793-1-41:2002. It updat
16、es and completes the 2002 edition in particular by the restricted mode launch intended for the laser launch transmission system. This standard is to be read in conjunction with EN 60793-1-1:2003. The following dates were fixed: latest date by which the EN has to be implemented at national level by p
17、ublication of an identical national standard or by endorsement (dop) 2004-08-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2006-11-01 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are given fo
18、r information only. In this standard, annexes A, B, C and ZA are normative and annexes D and E are informative. Annex ZA has been added by CENELEC. EN 60793-1-4X consists of the following parts, under the general title: Optical fibres: - Part 1-40: Measurement methods and test procedures Attenuation
19、 - Part 1-41: Measurement methods and test procedures Bandwidth - Part 1-42: Measurement methods and test procedures Chromatic dispersion - Part 1-43: Measurement methods and test procedures Numerical aperture - Part 1-44: Measurement methods and test procedures Cut-off wavelength - Part 1-45: Measu
20、rement methods and test procedures Mode field diameter - Part 1-46: Measurement methods and test procedures Monitoring of changes in optical transmittance - Part 1-47: Measurement methods and test procedures Macrobending loss - Part 1-48: Measurement methods and test procedures Polarization mode dis
21、persion - Part 1-49: Measurement methods and test procedures Differential mode delay _ Endorsement notice The text of the International Standard IEC 60793-1-41:2003 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note
22、has to be added for the standard indicated: IEC 60793-1-40 NOTE Harmonized as EN 60793-1-40:2003 (modified). _ Page 2 EN 60793141:2003 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 04:29:26 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 60793-1-41 IEC:2003 3 CONTENTS FOREWORD 2 1 Scope 4 2 Norm
23、ative references. 4 3 Definition 5 4 Apparatus . 5 4.1 Radiation source 5 4.2 Launch system. 6 4.3 Detection system . 7 4.4 Recording system 8 4.5 Computational equipment. 8 4.6 Overall system performance. 8 5 Sampling and specimens 8 5.1 Test sample. 8 5.2 Reference sample 9 5.3 End preparation . 9
24、 5.4 Test sample packaging 9 5.5 Test sample positioning . 9 6 Procedure. 9 6.1Method A Pulse distortion method (optical time domain) input pulse measurement. 9 6.2 Method B Frequency domain measurement method.10 7 Calculations or interpretation of results11 7.1 3 dB frequency, f3 dB.11 7.2 Calculat
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