EN 61300-3-53:2015

SLOVENSKI STANDARD
01-oktober-2015
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Fibre optic interconnecting devices and passive components - Basic test and
measurement procedures -- Part 3-53: Examinations and Measurements - Encircled
angular flux (EAF) measurement method based on two-dimensional far field data from
step index multimode waveguide (including fibre) (IEC 61300-3-53:2015)
Lichtwellenleiter - Verbindungselemente und passive Bauteile -Grundlegende Prüf- und
Messverfahren - Teil 3-53: Untersuchungen und Messungen - Verfahren zur Messung
des winkelabhängigen begrenzten Lichtstroms (EAF) basierend auf den
zweidimensionalen Fernfelddaten einer Mehrmodenfaser (IEC 61300-3-53:2015)
Dispositifs d'interconnexion et composants passifs à fibres optiques - Procédures
fondamentales d'essais et de mesures - Partie 3-53 : Examens et mesures - Méthode de
mesure du flux angulaire inscrit (EAF) fondée sur les données bidimensionnelles de
champ lointain d'un guide d'onde multimodal à saut d'indice (fibre incluse) (IEC 61300-3-
53:2015)
Ta slovenski standard je istoveten z: EN 61300-3-53:2015
ICS:
33.180.20 3RYH]RYDOQHQDSUDYH]D Fibre optic interconnecting
RSWLþQDYODNQD devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 61300-3-53

NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2015
ICS 33.180.20
English Version
Fibre optic interconnecting devices and passive components -
Basic test and measurement procedures - Part 3-53:
Examinations and measurements - Encircled angular flux (EAF)
measurement method based on two-dimensional far field data
from step index multimode waveguide (including fibre)
(IEC 61300-3-53:2015)
Dispositifs d'interconnexion et composants passifs à fibres Lichtwellenleiter - Verbindungselemente und passive
optiques - Procédures fondamentales d'essais et de Bauteile -Grundlegende Prüf- und Messverfahren - Teil 3-
mesures - Partie 3-53 : Examens et mesures - Méthode de 53: Untersuchungen und Messungen - Verfahren zur
mesure du flux angulaire inscrit (EAF) fondée sur les Messung des winkelabhängigen begrenzten Lichtstroms
données bidimensionnelles de champ lointain d'un guide (EAF) basierend auf den zweidimensionalen Fernfelddaten
d'onde multimodal à saut d'indice (fibre incluse) einer Mehrmodenfaser
(IEC 61300-3-53:2015) (IEC 61300-3-53:2015)
This European Standard was approved by CENELEC on 2015-03-12. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, 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: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61300-3-53:2015 E
Foreword
The text of document 86B/3850/FDIS, future edition 1 of IEC 61300-3-53, 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 61300-3-53:2015.
The following dates are fixed:
– latest date by which the document has to be implemented at (dop) 2015-12-12
national level by publication of an identical national
standard or by endorsement
– latest date by which the national standards conflicting with (dow) 2018-03-12
the document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 61300-3-53:2015 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 60793-2-30 NOTE Harmonized as EN 60793-2-30.
IEC 60793-2-40 NOTE Harmonized as EN 60793-2-40.
IEC 60793-1-43 NOTE Harmonized as EN 60793-1-43.

- 3 - EN 61300-3-53:2015
Annex ZA
(normative)
Normative references to international 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 referenced 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 here:
www.cenelec.eu.
Publication Year Title EN/HD Year

IEC 60825-1 -  Safety of laser products -- Part 1: EN 60825-1 -
Equipment classification and requirements
IEC 61300-1 -  Fibre optic interconnecting devices and EN 61300-1 -
passive components - Basic test and
measurement procedures -- Part 1:
General and guidance
IEC 61300-3-53 ®
Edition 1.0 2015-02
INTERNATIONAL
STANDARD
colour
inside
Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures –
Part 3-53: Examinations and measurements – Encircled angular flux (EAF)

measurement method based on two-dimensional far field data from step index

multimode waveguide (including fibre)

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.180.20 ISBN 978-2-83222-240-9

– 2 – IEC 61300-3-53:2015 © IEC 2015
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references. 6
3 Terms and definitions . 6
4 Standard atmospheric conditions . 7
5 Apparatus . 7
5.1 General . 7
5.2 Measurement method 1: fθ lens imaging . 8
5.2.1 General . 8
5.2.2 Micro-positioner . 8
5.2.3 FFP optical system . 8
5.2.4 Camera . 8
5.2.5 Computer (EAF analyser module) . 9
5.2.6 Calibration light source . 9
5.3 Measurement method 2: direct imaging . 9
5.3.1 General . 9
5.3.2 Micro-positioner . 9
5.3.3 Optical power . 9
5.3.4 Alignment . 9
5.3.5 Detector . 9
5.3.6 Single-mode fibre . 10
5.3.7 Imaging device . 10
6 Sampling and specimens . 11
7 Geometric calibration . 11
8 Measurement procedure . 12
8.1 Safety . 12
8.2 Far field image acquisition . 12
8.2.1 General . 12
8.2.2 Waveguide end-face alignment . 12
8.2.3 Light source image acquisition . 12
8.3 Removal of background noise . 13
8.4 Centre determination . 13
8.4.1 General . 13
8.4.2 Method A: Optical centre determination . 13
8.4.3 Method B: Mechanical centre determination . 14
8.5 Computation of encircled angular flux . 14
9 Results . 16
9.1 Information available with each measurement . 16
9.2 Information available upon request . 16
10 Details to be specified . 16
Annex A (informative) System requirements: measurement method 1 – Field optical
system . 18
A.1 General . 18
A.2 Requirements . 18
Annex B (informative) System requirements: measurement method 2 – Direct imaging . 19
B.1 General . 19

IEC 61300-3-53:2015 © IEC 2015 – 3 –
B.2 Requirements . 19
Bibliography . 20

Figure 1 – Apparatus configuration: Measurement method 1: fθ lens imaging . 8
Figure 2 – Far field optical system diagram . 8
Figure 3 – Apparatus configuration: measurement method 2 – Direct imaging using an
integrating sphere . 10
Figure 4 – Apparatus configuration: measurement method 2 – Direct imaging using a
single-mode fibre . 10
Figure 5 – Apparatus configuration: measurement method 2 – Direct imaging using an
imaging device . 11
Figure 6 – Calibration apparatus example. 12
Figure 7 – Acquired far field image .
...