Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-30: Examinations and measurements - Endface geometry of rectangular ferrule (IEC 61300-3-30:2020)

IEC 61300-3-30:2020 is available as IEC 61300-3-30:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61300-3-30:2020 describes a method of measuring the end face geometry of rectangular multifibre ferrules having an IEC defined optical interface. The primary attributes are fibre position relative to the end face, either withdrawal or protrusion, end face angle relative to the guide pin bores, fibre tip radii and core dip for multimode fibres. This second edition cancels and replaces the first edition published in 2003. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition: - measurement of the individual fibre tip radii; - introduction of the geometry limit (GL) metric; - introduction of the minus coplanarity metric; - new method for measuring the core dips; - all measurement regions are now identical for MM and SM fibres; - the ferrule surface angle sign convention has been changed.

Lichtwellenleiter - Verbindungselemente und passive Bauteile - Grundlegende Prüf- und Messverfahren - Teil 3-30: Untersuchungen und Messungen - Endflächen-Geometrie einer rechteckigen Ferrule (IEC 61300-3-30:2020)

Dispositifs d’interconnexion et composants passifs fibroniques - Procédures fondamentales d’essais et de mesures - Partie 3-30: Examens et mesures - Géométrie de la face terminale de la ferrule rectangulaire (IEC 61300-3-30:2020)

IEC 61300-3-30:2020 est disponible sous forme de IEC 61300-3-30:2020 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'�dition pr�c�dente.IEC 61300-3-30:2020 décrit une méthode de mesure de la géométrie de la face terminale des ferrules rectangulaires multifibres ayant une interface optique définie par l’IEC. Les attributs primaires sont la position relative de la fibre par rapport à la face terminale, soit en enfoncement, soit en excroissance, et l’angle relatif de la face terminale par rapport aux forages de la broche de guidage, les rayons des pointes des fibres et l’inclinaison du cœur pour des fibres multimodales. Cette deuxième édition annule et remplace la première édition parue en 2003. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente: mesurage des rayons des pointes individuelles des fibres; - introduction de la métrique de limite de géométrie (GL); - introduction de la métrique de coplanarité négative; - nouvelle méthode de mesure de l’inclinaison du cœur; - toutes les régions de mesurage sont désormais identiques pour les fibres MM et SM; - la convention du signe de l’angle de surface de la ferrule a été modifiée.

Optični spojni elementi in pasivne komponente - Postopki osnovnega preskušanja in meritev- 3-30. del: Preiskave in meritve - Geometrija čela za pravokotne tulce (IEC 61300-3-30:2020)

General Information

Status
Published
Publication Date
15-Feb-2021
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
12-Feb-2021
Due Date
19-Apr-2021
Completion Date
16-Feb-2021

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SLOVENSKI STANDARD
SIST EN IEC 61300-3-30:2021
01-april-2021
Nadomešča:
SIST EN 61300-3-30:2004
Optični spojni elementi in pasivne komponente - Postopki osnovnega preskušanja

in meritev- 3-30. del: Preiskave in meritve - Geometrija čela za pravokotne tulce

(IEC 61300-3-30:2020)
Fibre optic interconnecting devices and passive components - Basic test and
measurement procedures - Part 3-30: Examinations and measurements - Endface
geometry of rectangular ferrule (IEC 61300-3-30:2020)

Lichtwellenleiter - Verbindungselemente und passive Bauteile - Grundlegende Prüf- und

Messverfahren - Teil 3-30: Untersuchungen und Messungen - Endflächen-Geometrie
einer rechteckigen Ferrule (IEC 61300-3-30:2020)
Dispositifs d’interconnexion et composants passifs fibroniques - Procédures

fondamentales d’essais et de mesures - Partie 3-30: Examens et mesures - Géométrie

de la face terminale de la ferrule rectangulaire (IEC 61300-3-30:2020)
Ta slovenski standard je istoveten z: EN IEC 61300-3-30:2021
ICS:
33.180.20 Povezovalne naprave za Fibre optic interconnecting
optična vlakna devices
SIST EN IEC 61300-3-30:2021 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 61300-3-30:2021
---------------------- Page: 2 ----------------------
SIST EN IEC 61300-3-30:2021
EUROPEAN STANDARD EN IEC 61300-3-30
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2021
ICS 33.180.20 Supersedes EN 61300-3-30:2003 and all of its
amendments and corrigenda (if any)
English Version
Fibre optic interconnecting devices and passive components -
Basic test and measurement procedures - Part 3-30:
Examinations and measurements - Endface geometry of
rectangular ferrule
(IEC 61300-3-30:2020)

Dispositifs d'interconnexion et composants passifs Lichtwellenleiter - Verbindungselemente und passive

fibroniques - Procédures fondamentales d'essais et de Bauteile - Grundlegende Prüf- und Messverfahren - Teil 3-

mesures - Partie 3-30: Examens et mesures - Géométrie de 30: Untersuchungen und Messungen - Endflächen-

la face terminale de la ferrule rectangulaire Geometrie einer rechteckigen Ferrule

(IEC 61300-3-30:2020) (IEC 61300-3-30:2020)

This European Standard was approved by CENELEC on 2021-01-18. 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 CEN-CENELEC

Management Centre 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 CEN-CENELEC Management Centre has the

same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the

Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC 61300-3-30:2021 E
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SIST EN IEC 61300-3-30:2021
EN IEC 61300-3-30:2021 (E)
European foreword

The text of document 86B/4357/FDIS, future edition 2 of IEC 61300-3-30, prepared by SC 86B "Fibre

optic interconnecting devices and passive components" of IEC/TC 86 "Fibre optics" was submitted to

the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 61300-3-30:2021.
The following dates are fixed:

• latest date by which the document has to be implemented at national (dop) 2021-10-18

level by publication of an identical national standard or by endorsement

• latest date by which the national standards conflicting with the (dow) 2024-01-18

document have to be withdrawn

This document supersedes EN 61300-3-30:2003 and all of its amendments and corrigenda (if any).

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 all such patent rights.

Endorsement notice

The text of the International Standard IEC 61300-3-30:2020 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 61300 (series) NOTE Harmonized as EN 61300 (series)
IEC 61755-3-31:2015 NOTE Harmonized as EN 61755-3-31:2015 (not modified)
IEC 61755-3-32:2015 NOTE Harmonized as EN 61755-3-32:2016 (not modified)
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SIST EN IEC 61300-3-30:2021
IEC 61300-3-30
Edition 2.0 2020-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures –
Part 3-30: Examinations and measurements – Endface geometry of rectangular
ferrule
Dispositifs d’interconnexion et composants passifs fibroniques – Procédures
fondamentales d’essais et de mesures –
Partie 3-30: Examens et mesures – Géométrie de la face terminale de la ferrule
rectangulaire
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-9121-4

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 5 ----------------------
SIST EN IEC 61300-3-30:2021
– 2 – IEC 61300-3-30:2020 © IEC 2020
CONTENTS

FOREWORD ........................................................................................................................... 4

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms and definitions ...................................................................................................... 6

4 General description ......................................................................................................... 6

5 Measurement regions ...................................................................................................... 7

6 Apparatus ........................................................................................................................ 8

6.1 General ................................................................................................................... 8

6.2 Ferrule holder ......................................................................................................... 8

6.3 Positioning stage .................................................................................................... 9

6.4 Three-dimensional interferometry analyser ............................................................. 9

7 Procedure ........................................................................................................................ 9

8 Details to be specified ................................................................................................... 11

Annex A (normative) Formulae for approximating the end face geometry ............................. 12

A.1 Approximation of the ferrule surface...................................................................... 12

A.2 Approximation of the fibre tip radii......................................................................... 12

Annex B (normative) Surface angle sign convention (shown graphically) ............................. 13

Annex C (normative) Fibre counting convention (shown graphically) .................................... 14

Annex D (normative) Minus coplanarity and fibre plane angle determination ........................ 15

D.1 Overview............................................................................................................... 15

D.1.1 General ......................................................................................................... 15

D.1.2 Minus coplanarity........................................................................................... 15

D.1.3 Fibre plane x-axis and y-axis angles .............................................................. 15

D.2 Method for analysis ............................................................................................... 15

D.2.1 Single row ferrules ......................................................................................... 15

D.2.2 Multi-row ferrules ........................................................................................... 15

D.3 Documentation ...................................................................................................... 16

Annex E (normative) Calculation of core dip using the paraboloid method............................ 17

E.1 General ................................................................................................................. 17

E.2 Method for analysis ............................................................................................... 17

Annex F (normative) Calculation of GL parameter ................................................................ 18

F.1 General ................................................................................................................. 18

F.2 Method for analysis ............................................................................................... 18

Bibliography .......................................................................................................................... 20

Figure 1 – Measurement regions on ferrule and fibre .............................................................. 7

Figure 2 – Measurement setup ................................................................................................ 8

Figure B.1 – Surface angle sign convention .......................................................................... 13

Figure C.1 – Fibre counting convention ................................................................................. 14

Figure E.1 – Paraboloid fit to a fibre endface exhibiting core dip ........................................... 17

Table 1 – Ferrule measurement areas and parameters ........................................................... 8

Table F.1 – Parameter constants for 4-fibre ferrules ............................................................. 19

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SIST EN IEC 61300-3-30:2021
IEC 61300-3-30:2020 © IEC 2020 – 3 –

Table F.2 – Parameter constants for 8-fibre ferrules ............................................................. 19

Table F.3 – Parameter constants for 12-fibre ferrules ........................................................... 19

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SIST EN IEC 61300-3-30:2021
– 4 – IEC 61300-3-30:2020 © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS –
BASIC TEST AND MEASUREMENT PROCEDURES –
Part 3-30: Examinations and measurements –
Endface geometry of rectangular ferrule
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international

co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and

in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,

Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their

preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with

may participate in this preparatory work. International, governmental and non-governmental organizations liaising

with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for

Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence between

any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent

rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 61300-3-30 has been prepared by subcommittee 86B: Fibre optic

interconnecting devices and passive components, of IEC technical committee 86: Fibre optics.

This second edition cancels and replaces the first edition published in 2003. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
a) measurement of the individual fibre tip radii;
b) introduction of the geometry limit (GL) metric;
c) introduction of the minus coplanarity metric;
d) new method for measuring the core dips;
e) all measurement regions are now identical for MM and SM fibres;
---------------------- Page: 8 ----------------------
SIST EN IEC 61300-3-30:2021
IEC 61300-3-30:2020 © IEC 2020 – 5 –
f) the ferrule surface angle sign convention has been changed.
The text of this International Standard is based on the following documents:
FDIS Report on voting
86B/4357/FDIS 86B/4378/RVD

Full information on the voting for the approval of this International Standard can be found in the

report on voting indicated in the above table.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all parts in the IEC 61300 series, published under the general title Fibre optic

interconnecting devices and passive components – Basic test and measurement procedures,

can be found on the IEC website.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
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SIST EN IEC 61300-3-30:2021
– 6 – IEC 61300-3-30:2020 © IEC 2020
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS –
BASIC TEST AND MEASUREMENT PROCEDURES –
Part 3-30: Examinations and measurements –
Endface geometry of rectangular ferrule
1 Scope

This part of IEC 61300 describes a method of measuring the end face geometry of rectangular

multifibre ferrules having an IEC defined optical interface. The primary attributes are fibre

position relative to the end face, either withdrawal or protrusion, end face angle relative to the

guide pin bores, fibre tip radii and core dip for multimode fibres.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
No terms and definitions are listed in this document.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
4 General description

Guide pin based multifibre connector plugs typically have a rectangular end face with a long

axis and a short axis. Ideally, a flat polish is desired on the end face with the fibres protruding

slightly and all in the same plane to assure physical contact of the fibre cores when two

connectors are intermated. In practice, the end face typically has two different curvatures across

the surface along the long and short axis. Since mated ferrules are aligned by pins in the guide

holes, the end face of the ferrule shall be properly oriented (S and S angles) with respect to

x y

the guide holes to achieve positive contact. The end face angle S in the x axis and the end

face angle S in the y axis are measured by finding the best fit plane based on a percentage of

the highest points in a specified region of interest. The highest points typically show the greatest

modulation from an interferometric standpoint. This allows for more robust measurements and

greater repeatability between different interferometers.

The angle of the best fit plane is calculated by comparing it to the reference plane which is

perpendicular to the axis of each guide hole. The height H (positive is a protrusion) of the fibres

is a planar height defined as the distance between the fibre end face and the best fit plane.

Core di
...

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