IEC TS 62627-09:2016

Fibre optic interconnecting devices and passive components - Vocabulary for passive optical devices

IEC TS 62627-09:2016(E), which is a Technical Specification, applies to passive optical devices (components). It provides the definitions which are commonly used in the generic specifications, performance standards and tests and measurement standards for passive optical devices (components) prepared by SC 86B. It has the following three types of terms and definitions:
- basic terms and definitions;
- component terms and definitions;
- performance parameter terms and definitions. The generic specifications for passive optical devices (components) are listed in Annex A. Keywords: terms and definitions for passive optical devices

General Information

• Status: Published
• Publication Date: 23-Oct-2016
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 33.180.20 - Fibre optic interconnecting devices
• Technical Committee: SC 86B - Fibre optic interconnecting devices and passive components
• Current Stage: PPUB - Publication issued
• Start Date: 31-Jan-2017
• Completion Date: 24-Oct-2016

Standards Content (Sample)

IEC TS 62627-09 ®
Edition 1.0 2016-10
TECHNICAL
SPECIFICATION
Fibre optic interconnecting devices and passive components –
Vocabulary for passive optical devices

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IEC TS 62627-09 ®
Edition 1.0 2016-10
TECHNICAL
SPECIFICATION
Fibre optic interconnecting devices and passive components –

Vocabulary for passive optical devices

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.180.20 ISBN 978-2-8322-3698-7

– 2 – IEC TS 62627-09:2016 © IEC 2016
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and abbreviated terms . 6
3.1 General . 6
3.2 Basic terms and definitions . 6
3.3 Component terms and definitions . 8
3.4 Performance parameter terms and definitions . 11
3.5 Abbreviated terms . 15
Annex A (informative) Generic specifications for passive optical devices . 16
Bibliography . 17

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS –
Vocabulary for passive optical devices

FOREWORD
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• the subject is still under technical development or where, for any other reason, there is the
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Technical specifications are subject to review within three years of publication to decide
whether they can be transformed into International Standards.
IEC TS 62627-09, which is a Technical Specification, has been prepared by subcommittee
SC 86B: Fibre optic interconnecting devices and passive components, of IEC technical
committee 86: Fibre optics.
– 4 – IEC TS 62627-09:2016 © IEC 2016
The text of this technical specification is based on the following documents:
Enquiry draft Report on voting
86B/3993/DTS 86B/4016/RVC
Full information on the voting for the approval of this technical specification 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 62627 series, published under the general title Fibre optic
interconnecting devices and passive components, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• transformed into an International standard,
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.

INTRODUCTION
SC 86B, Fibre optic interconnecting devices and passive components, specifies several
passive optical devices. Each passive optical device has generic specification and
performance specifications. Generic specifications define terms, definitions and requirements
(classifications, documentations, standardization systems and so on). Some basic terms and
definitions are defined and used in two or more generic specifications. In order to harmonize
terms and definitions in generic specifications, this technical specification defines terms and
definitions commonly used in multiple generic specifications.

– 6 – IEC TS 62627-09:2016 © IEC 2016
FIBRE OPTIC INTERCONNECTING DEVICES
AND PASSIVE COMPONENTS –
Vocabulary for passive optical devices

1 Scope
This part of IEC 62627, which is a Technical Specification, applies to passive optical devices
(components). It provides the definitions which are commonly used in the generic
specifications, performance standards and tests and measurement standards for passive
optical devices (components) prepared by SC 86B. It has the following three types of terms
and definitions:
• basic terms and definitions;
• component terms and definitions;
• performance parameter terms and definitions.
The generic specifications for passive optical devices (components) are listed in Annex A.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements 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.
This document contains no normative references.
3 Terms, definitions and abbreviated terms
3.1 General
For the purposes of this document, the following terms and definitions apply.
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
3.2 Basic terms and definitions
3.2.1
port
optical fibre or fibre optic connector attached to a passive component for the entry and/or exit
of optical power
[SOURCE: IEC 60876-1:2014, 3.1.1]
3.2.2
input port
port where the optical power enters the device

3.2.3
output port
port where the optical power exits the device
3.2.4
transfer matrix
n × n matrix of coefficients where n is the number of ports, and the coefficients represent the
fractional optical power transferred between designated ports
Note 1 to entry: In general, the transfer matrix T is:
t t . t
 
11 12 1n
 
t
T =
 
t
(1)
ij
 
t t t 
 n1 n2 nn 
where t is the ratio of the optical power P transferred out of port j with respect to input power P into port i, that is:
ij ij i
P
ij
t =
ij (2)
P
i
[SOURCE: IEC 60875-1:2015, 3.1.3, modified – The definition has been rephrased, the last
sentence in note 1 has been deleted, as well as notes 2 and 3.]
3.2.5
transfer coefficient
element t of the transfer matrix
ij
[SOURCE: IEC 60875-1: 2015, 3.1.4]
3.2.6
logarithmic transfer matrix
n × n matrix of logarithmic transfer coefficients of a where n is the number of ports
ij
Note 1 to entry: In general, the logarithmic transfer matrix A is:
a a . a
 
11 12 1n
 
a
 
A =
 
a
(3)
ij
 
a a a
 n1 n2 nn 
where a is the optical power reduction, in decibels, out of port j with unit power into port i,
ij
that is:
a = −10log t
ij 10 ij
(4)
is the transfer coefficient.
where t
ij
3.2.7
logarithmic transfer coefficient
element a of the logarithic transfer matrix
ij
– 8 – IEC TS 62627-09:2016 © IEC 2016
3.2.8
conducting port pair
two ports i and j between which t is nominally greater than zero
ij
Note 1 to entry: For optical switches of conducting ports, conducting port pair is defined at a specified switching
state. For wavelength-selective branching devices
...