EN 61280-4-4:2006
(Main)Fibre optic communication subsystem test procedures - Part 4-4: Cable plants and links - Polarization mode dispersion measurement for installed links
Fibre optic communication subsystem test procedures - Part 4-4: Cable plants and links - Polarization mode dispersion measurement for installed links
This part of IEC 61280 provides uniform methods of measuring polarization mode dispersion (PMD) of single-mode installed links. An installed link is the optical path between transmitter and receiver, or a portion of that optical path. These measurements may be used to assess the suitability of a given link for high bit rate applications or to provide insight on the relationships of various related transmission attributes.
Prüfverfahren für Lichtwellenleiter-Kommunikationsuntersysteme - Teil 4-4: Kabelnetze und Übertragungsstrecken - Messung der Polarisationsmodendispersion von installierten Übertragungsstrecken
Procédures d'essai des sous-systèmes de télécommunication à fibres optiques - Partie 4-4: Installation de câbles et liens - Mesure de la dispersion de mode polarisation pour les liaisons installées
La présente partie de la CEI 61280 fournit des méthodes uniformes de mesure de la dispersion de mode de polarisation (PMD) de liaisons unimodales installées. Une liaison installée est le chemin optique entre l'émetteur et le récepteur ou une partie de ce chemin optique. Ces mesures peuvent être utilisées afin d'évaluer si une liaison donnée est adaptée à des applications à débit binaire élevé ou pour connaître les relations entre différents attributs d'une transmission.
Postopki preskušanja optičnega komunikacijskega podsistema – 4-4. del: Kabelske oblike in povezave – Meritve polarizacijske razpršitve v vgrajenih povezavah (IEC 61280-4-4:2006)
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SLOVENSKI SIST EN 61280-4-4:2006
STANDARD
julij 2006
Postopki preskušanja optičnega komunikacijskega podsistema – 4-4. del:
Kabelske oblike in povezave – Meritve polarizacijske razpršitve v vgrajenih
povezavah (IEC 61280-4-4:2006)
Fibre optic communication subsystem test procedures – Part 4-4: Cable plants and
links – Polarization mode dispersion measurement for installed links (IEC 61280-4-
4:2006)
ICS 33.180.01 Referenčna številka
© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno
EUROPEAN STANDARD
EN 61280-4-4
NORME EUROPÉENNE
April 2006
EUROPÄISCHE NORM
ICS 33.180.01
English version
Fibre optic communication subsystem test procedures
Part 4-4: Cable plants and links -
Polarization mode dispersion measurement for installed links
(IEC 61280-4-4:2006)
Procédures d'essai des sous-systèmes Prüfverfahren für Lichtwellenleiter-
de télécommunication à fibres optiques Kommunikationsuntersysteme
Partie 4-4: Installation de câbles et liens - Teil 4-4: Kabelnetze
Mesure de la dispersion de mode und Übertragungsstrecken -
polarisation pour les liaisons installées Messung der
(CEI 61280-4-4:2006) Polarisationsmodendispersion
von installierten Übertragungsstrecken
(IEC 61280-4-4:2006)
This European Standard was approved by CENELEC on 2006-02-01. 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 alteration.
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 translation 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, Cyprus, the Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61280-4-4:2006 E
Foreword
The text of document 86C/683/FDIS, future edition 1 of IEC 61280-4-4, prepared by SC 86C, Fibre optic
systems and active devices, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote
and was approved by CENELEC as EN 61280-4-4 on 2006-02-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2006-12-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-02-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61280-4-4:2006 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60793-1-48 NOTE Harmonized as EN 60793-1-48:2003 (not modified).
IEC 61290-11-1 NOTE Harmonized as EN 61290-11-1:2003 (not modified).
IEC 61290-11-2 NOTE Harmonized as EN 61290-11-2:2005 (not modified).
__________
- 3 - EN 61280-4-4:2006
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
NOTE Where an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year
1) 2)
IEC 60793-1-44 - Optical fibres EN 60793-1-44 2002
Part 1-44: Measurement methods and
test procedures - Cut-off wavelength
1)
Undated reference.
2)
Valid edition at date of issue.
NORME CEI
INTERNATIONALE
IEC
61280-4-4
INTERNATIONAL
Première édition
STANDARD
First edition
2006-02
Procédures d'essai des sous-systèmes
de télécommunication à fibres optiques –
Partie 4-4:
Installation de câbles et liens –
Mesure de la dispersion de mode polarisation
pour les liaisons installées
Fibre optic communication subsystem
test procedures –
Part 4-4:
Cable plants and links –
Polarization mode dispersion measurement
for installed links
IEC 2006 Droits de reproduction réservés Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
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Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
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61280-4-4 IEC:2006 – 3 –
CONTENTS
FOREWORD.7
1 Scope.11
2 Normative references .13
3 Symbols and abbreviated terms.13
4 Background on PMD properties .15
5 Measurement methods .17
5.1 Methods of measuring PMD.17
5.2 Reference test method .25
6 Apparatus.25
6.1 Light source and polarizers .25
6.2 Input optics .27
6.3 Cladding mode stripper .27
6.4 High-order mode filter.27
6.5 Output positioner.27
6.6 Output optics.27
6.7 Detector .29
6.8 Computer .29
6.9 Means to reduce the effects of amplified spontaneous emission .29
7 Sampling and specimens.29
8 Procedure .29
9 Calculation or interpretation of results .29
10 Documentation .31
10.1 Information required for each measurement .31
10.2 Information to be available .31
11 Specification information .31
Annex A (normative) Fixed analyzer method .33
Annex B (normative) Stokes parameter evaluation method .47
Annex C (normative) Interferometric method.61
Annex D (normative) Stokes parameter evaluation method using back-reflected light .81
Annex E (normative) Modulation phase-shift method.85
Annex F (normative) Polarization phase shift method.107
Annex G (informative) PMD determination by Method C.123
Bibliography.131
Figure A1 – Block diagrams for fixed analyzer .33
Figure A2 – Example of the R-function for the fixed analyzer method.37
Figure A3 – PMD by Fourier analysis .43
61280-4-4 IEC:2006 – 5 –
Figure B1 – Block diagram for Method B using a narrowband (tuneable laser) source.47
Figure B2 – Block diagram for Method B using a broadband (ASE) source.47
Figure C1 – Generic set-up for Method C (INTY).61
Figure C2 – Schematic diagram for Method C (TINTY).63
Figure C3 – Typical data obtained by Method C (TINTY).67
Figure C4 – Schematic diagram for Method C (GINTY) .69
Figure C5 – Typical random-mode-coupling data obtained by Method C (GINTY) .75
Figure C6 – Typical mixed-mode-coupling data obtained by Method C (GINTY) .77
Figure D1 – Layout for Method D .81
Figure E1 – Basic apparatus .85
Figure E2 – Apparatus layout for polarization modulation.93
Figure E3 – Mueller states on Poincaré sphere .99
Figure E4 – DGD versus wavelength.101
Figure E5 – DGD in histogram format .103
Figure F1 – Block diagram for Method F (polarization phase shift method).107
Figure F2 – DGD versus wavelength for a random mode coupling device .115
Table E1 – Example of Mueller set.99
61280-4-4 IEC:2006 – 7 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC COMMUNICATION SUBSYSTEM
TEST PROCEDURES –
Part 4-4: Cable plants and links –
Polarization mode dispersion measurement
for installed links
FOREWORD
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