IEC 61290-7-1:2007
(Main)Optical amplifiers - Test methods - Part 7-1: Out-of-band insertion losses - Filtered optical power meter method
Optical amplifiers - Test methods - Part 7-1: Out-of-band insertion losses - Filtered optical power meter method
Applies to optical fibre amplifiers using active fibres, containing rare-earth dopants, presently commercially available. Establishes uniform requirements for accurate and reliable measurements, by means of the filtered optical power meter test method, of the following OFA parameters: - out-of-band insertion loss; - out-of-band reverse insertion loss. The main significant changes are the following: a) the applicability has been extended to all commercially available optical amplifiers, b) Clause 9, EMC, has been added.
Amplificateurs optiques - Méthodes d'essai - Partie 7-1 : Pertes d'insertion hors-bande - Méthode par puissance-mètre optique filtré
S'applique aux amplificateurs à fibres optiques (AFO) utilisant des fibres actives contenant des dopants de terre rare, actuellement commercialisés. Etablit des spécifications uniformes pour des mesures précises et fiables, par le biais de la méthode d'essai d'un mesureur de puissance équipé d'un filtre optique, des paramètres d'AFO donnés ci-dessous: - perte d'insertion hors de la bande du signal; - perte d'insertion inverse hors de la bande du signal. Les changements les plus significatifs sont les suivants: a) l'applicabilité a été étendue à tous les amplificateurs optiques disponibles sur le marché, et non pas simplement aux amplificateurs à fibres, b) l'Article 9, CEM, a été ajouté.
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INTERNATIONAL IEC
STANDARD
CEI
61290-7-1
NORME
Second edition
INTERNATIONALE
Deuxième édition
2007-04
Optical amplifiers –
Test methods –
Part 7-1:
Out-of-band insertion losses –
Filtered optical power meter method
Amplificateurs optiques –
Méthodes d’essai –
Partie 7-1:
Pertes d’insertion hors-bande –
Méthode par puissance-mètre optique filtré
Reference number
Numéro de référence
IEC/CEI 61290-7-1:2007
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INTERNATIONAL IEC
STANDARD
CEI
61290-7-1
NORME
Second edition
INTERNATIONALE
Deuxième édition
2007-04
Optical amplifiers –
Test methods –
Part 7-1:
Out-of-band insertion losses –
Filtered optical power meter method
Amplificateurs optiques –
Méthodes d’essai –
Partie 7-1:
Pertes d’insertion hors-bande –
Méthode par puissance-mètre optique filtré
PRICE CODE
K
CODE PRIX
Commission Electrotechnique Internationale
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue
Pour prix, voir catalogue en vigueur
– 2 – 61290-7-1 © IEC:2007
CONTENTS
FOREWORD.3
INTRODUCTION.5
1 Scope and object .6
2 Normative references.6
3 Abbreviated terms.6
4 Apparatus.6
5 Test sample.7
6 Procedure.8
7 Calculation .8
8 Test results .8
9 Electromagnetic compatibility (EMC) requirements .9
Bibliography .10
Figure 1 – Typical arrangement of the optical filter test apparatus for out-of-band
insertion loss measurements .7
61290-7-1 © IEC:2007 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
OPTICAL AMPLIFIERS –
TEST METHODS –
Part 7-1: Out-of-band insertion losses –
Filtered optical power meter method
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
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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 61290-7-1 has been prepared by subcommittee 86C: Fibre optic
systems and active devices, of IEC technical committee 86: Fibre optics.
This second edition cancels and replaces the first edition published in 1998 and constitutes a
technical revision. The main significant changes are the following:
a) the title has been changed to be consistant with other documents in the IEC 61290
series;
b) the applicability has been extended to all commercially available optical amplifiers - not
just optical fiber amplifiers;
c) Clause 9, EMC, has been added.
This standard shall be used in conjunction with IEC 61291-1. It was established on the basis of
the second (2006) edition of that standard.
– 4 – 61290-7-1 © IEC:2007
The text of this standard is based on the following documents:
CDV Report on voting
86C/726/CDV 86C/741/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of the IEC 61290 series, published under the general title Optical amplifiers –
Test methods, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until the
maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
61290-7-1 © IEC:2007 – 5 –
INTRODUCTION
This International Standard is devoted to the subject of optical amplifiers. The technology of
optical amplifiers is still rapidly evolving, hence amendments and new additions to this
standard can be expected.
– 6 – 61290-7-1 © IEC:2007
OPTICAL AMPLIFIERS –
TEST METHODS –
Part 7-1: Out-of-band insertion losses –
Filtered optical power meter method
1 Scope and object
This part of IEC 61290 applies to optical amplifiers (OAs) using active fibres presently
commercially available containing rare-earth dopants.
The object of this standard is to establish uniform requirements for accurate and reliable
measurements, by means of the filtered optical power meter test method, of the following OA
parameters, as defined in IEC 61291-1:
a) out-of-band insertion loss;
b) out-of-band reverse insertion loss.
NOTE 1 The out-of-band insertion loss of an OA is highly dependent on the amplifier configuration and the out-of-
band wavelength.
NOTE 2 All numerical values followed by (‡) are suggested values.
2 Normative references
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.
IEC 61291-1, Optical amplifiers – Part 1: Generic specification
3 Abbreviated terms
Each abbreviation introduced in this standard is explained in the text at least the first time it
appears. However, for an easier understanding of the whole text, the following is a list of all
abbreviations used in this standard:
OA Optical amplifier
EMC Electromagnetic compatibility
ESD Electrostatic discharge
4 Apparatus
A scheme of the measurement set-up is given in Figure 1.
61290-7-1 © IEC:2007 – 7 –
Optical
isolator
Optical
OPTOpticICal AL C A B
power
source
SOURCE
meter
Optical
filter
IEC 664/98
Figure 1a – Optical filter calibration
Optical
isolator
Optical
C
A B
Optical
power
OA
source
meter
OA Optical
under test filter
IEC 665/98
Figure 1b – Out-of-band insertion loss measurement
Figure 1 – Typical arrangement of the optical filter test apparatus
for out-of-band insertion loss measurements
The test equipment listed below, with the required characteristics, is needed:
a) optical source: the optical source shall generate a light at the out-of-band wavelength
specified in the relevant detail specification. Unless otherwise specified, the optical source
shall emit a continuous wave with the full width at half maximum of the spectrum narrower
than 1 nm (‡);
b) optical isolator: the polarization-dependent loss variation of the isolator, at the out-of-band
wavelength, shall be better than 0,2 dB (‡). Optical isolation shall be better than 40 dB (‡).
The reflectance from this device sh
...
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