1、BSI Standards PublicationOptical amplifiers Test methodsPart 4-3: Power transient parameters -Single channel optical amplifiers inoutput power controlBS EN 61290-4-3:2015National forewordThis British Standard is the UK implementation of EN 61290-4-3:2015. It isidentical to IEC 61290-4-3:2015.The UK
2、participation in its preparation was entrusted by TechnicalCommittee GEL/86, Fibre optics, to Subcommittee GEL/86/3, Fibre optic systems and active devices.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include al
3、l the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 83188 1ICS 33.180.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British St
4、andard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61290-4-3:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61290-4-3 November 2015 ICS 33.180.30 En
5、glish Version Optical amplifiers - Test methods - Part 4-3: Power transient parameters - Single channel optical amplifiers in output power control (IEC 61290-4-3:2015) Amplificateurs optiques - Mthodes dessai - Partie 4-3: Paramtres de puissance transitoire - Contrle de la puissance de sortie des am
6、plificateurs optiques monocanaux (IEC 61290-4-3:2015) Optische Verstrker - Prfverfahren - Teil 4-3: Leistungs-Transientenkenngren von Ein-Kanal-LWL-Verstrkern mit Ausgangs-Leistungskontrolle (IEC 61290-4-3:2015) This European Standard was approved by CENELEC on 2015-06-09. CENELEC members are bound
7、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-
8、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 Ce
9、ntre 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, It
10、aly, 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 Comit Europen de Normalisation Electrotechnique Europisches Komitee fr
11、 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 61290-4-3:2015 E BS EN 61290-4-3:2015EN 61290-4-3:2015 2 European foreword The text of
12、document 86C/1310/FDIS, future edition 1 of IEC 61290-4-3, 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 approved by CENELEC as EN 61290-4-3:2015. The following dates are fixed: latest date by which the docu
13、ment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-05-20 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-06-09 This standard is to be used in conjunction with EN 61290-1:
14、2012. 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 61290-4-3:2015 was
15、 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 61290-3-3 NOTE Harmonized as EN 61290-3-3. IEC 61290-4-1 NOTE Harmonized as EN 61290-4-1. BS EN 61290-4-3:2015EN 6129
16、0-4-3:2015 3 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 edit
17、ion 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
18、 versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 61291-1 2012 Optical amplifiers - Part 1: Generic specification EN 61291-1 2012 BS EN 61290-4-3:2015 2 IEC 61290-4-3:2015 IEC 2015 CONTENTS FOREWORD . 3 1 Scope 5 2 Norma
19、tive references 5 3 Terms, definitions and abbreviations . 6 3.1 Terms and definitions 6 3.2 Abbreviations 7 4 Apparatus 7 4.1 Test set-up . 7 4.2 Characteristics of test equipment 8 5 Test sample . 9 6 Procedure 9 6.1 Test preparation 9 6.2 Test conditions . 9 7 Calculations . 10 8 Test results . 1
20、1 8.1 Test settings . 11 8.2 Test data 12 Annex A (informative) Overview of power transient events in single channel EDFA 13 A.1 Background. 13 A.2 Characteristic input power behaviour 13 A.3 Parameters for characterizing transient behaviour 15 Annex B (informative) Background on power transient phe
21、nomena in a single channel EDFA 17 B.1 Amplifier chains in optical networks 17 B.2 Typical optical amplifier design . 17 B.3 Approaches to address detection errors 19 Annex C (informative) Slew rate effect on transient gain response . 23 Bibliography 24 Figure 1 Power transient test set-up. 8 Figure
22、 2 OA output power transient response of a) input power increase . 11 Figure A.1 Example OA input power transient cases for a receiver application . 14 Figure A.2 Input power measurement parameters for a) input power increase and b) input power decrease 15 Figure A.3 OA output power transient respon
23、se of a) input power increase and b) input power decrease 16 Figure B.1 Transient response to a) input power drop (inverse step transient) with transient control, b) deactivated (constant pump power), and c) activated (power control) 21 Figure B.2 Transient response to a) input power rise (step tran
24、sient) with transient control, b) deactivated (constant pump power), and c) activated (power control) . 22 Table 1 Examples of transient control measurement test conditions . 10 BS EN 61290-4-3:2015IEC 61290-4-3:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL AMPLIFIERS TEST METH
25、ODS Part 4-3: Power transient parameters Single channel optical amplifiers in output power control FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object
26、 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
27、 (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
28、 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, a
29、s 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 i
30、n 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 Comm
31、ittees 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 prov
32、ide 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 lat
33、est 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, whe
34、ther 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 i
35、ndispensable 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 61
36、290-4-3 has been prepared by subcommittee 86C: Fibre optic systems and active devices, of IEC technical committee 86: Fibre optics. This International Standard is to be used in conjunction with IEC 61291-1:2012, on the basis of which it was established. The text of this standard is based on the foll
37、owing documents: FDIS Report on voting 86C/1310/FDIS 86C/1329/RVD 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. BS EN 61290-4-3:2
38、015 4 IEC 61290-4-3:2015 IEC 2015 A list of all parts of the IEC 61290 series, published under the general title Optical amplifiers Test methods1)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
39、on the IEC website 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. A bilingual version of this publication may be issued at a later date. IMPORTANT The colour insid
40、e logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. _ 1)The first editions of some of these parts were published under the g
41、eneral title Optical fibre amplifiers Basic specification or Optical amplifier test methods. BS EN 61290-4-3:2015IEC 61290-4-3:2015 IEC 2015 5 OPTICAL AMPLIFIERS TEST METHODS Part 4-3: Power transient parameters Single channel optical amplifiers in output power control 1 Scope This part of IEC 61290
42、 applies to output power controlled optically amplified, elementary sub-systems. It applies to optical fibre amplifiers (OFA) using active fibres containing rare-earth dopants, presently commercially available, as indicated in IEC 61291-1, as well as alternative optical amplifiers that can be used f
43、or single channel output power controlled operation, such as semiconductor optical amplifiers (SOA). The object of this standard is to provide the general background for optical amplifier (OA) power transients and its measurements and to indicate those IEC standard test methods for accurate and reli
44、able measurements of the following transient parameters: a) Transient power response b) Transient power overcompensation response c) Steady-state power offset d) Transient power response time The stimulus and responses behaviours under consideration include: Channel power increase (step transient) 1
45、)Channel power reduction (inverse step transient) 2)Channel power increase/reduction (pulse transient) 3)Channel power reduction/increase (inverse pulse transient) 4)Channel power increase/reduction/increase (lightning bolt transient) 5)Channel power reduction/increase/reduction (inverse lightning b
46、olt transient) 6)These parameters have been included to provide a complete description of the transient behaviour of an output power transient controlled OA. The test definition defined here are applicable if the amplifier is an OFA or an alternative OA. However, the description in Annex A of this d
47、ocument concentrates on the physical performance of an OFA and provides a detailed description of the behaviour of OFA; it does not give a similar description of other OA types. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are i
48、ndispensable 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. IEC 61291-1:2012, Optical amplifiers Part 1: Generic specification BS EN 61290-4-3:2015 6 IEC 61290-4-3:20
49、15 IEC 2015 3 Terms, definitions and abbreviations 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 input signal optical signal that is input to the OA 3.1.2 input power excursion relative input power difference in dB before, during and after the input power stimulus event that causes an OA transient power excursion. 3.1.3 input power rise time time it takes for the input optical signal to rise from 10 % to
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