BS PD IEC TR 62627-03-03-2013 Fibre optic interconecting devices and passive components Reliability Report on high-power reliability for metal-doped optical fibre plug-style optica.pdf

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1、BSI Standards PublicationFibre optic interconnecting devices and passive componentsPart 03-03: Reliability Report on high-power reliability for metal-doped optical fibre plug-style optical attenuatorsPD IEC/TR 62627-03-03:2013Copyright British Standards Institution Provided by IHS under license with

2、 BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-National forewordT h i s P u b l i s h e d D o c u m e n t i s t h e U K i m p l e m e n t a t i o n o f I E C / T R 6 2 6 2 7 - 0 3 - 0 3 : 2 0 1 3 .Clause 8 of this Published Document states

3、 that Test results can be extrapolated to high temperature test analysis of other passive components using full zirconia ferrule in which metal-doped silica fibrewas assembled using epoxy material. The UK committee is of the opinionthat this cannot be substantiated by the body of the document.The UK

4、 participation in its preparation was entrusted by TechnicalCommittee GEL/86, Fibre optics, to Subcommittee GEL/86/2, Fibre opticinterconnecting devices and passive components.A l i s t o f o r g a n i z a t i o n s r e p r e s e n t e d o n t h i s subc o m m i t t e e c a n b e o b t a i n e d o n

5、 r e q u e s t t o i t s s e c r e t a r y .This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 79762 0ICS 33.180.20Comp

6、liance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was published under the authority of theStandards Policy and Strategy Committee on 31 March 2014.A m e n d m e n t s/corrigenda i s s u e d s i n c e p u b l i c a t i o nDate Text affectedPUBLISHED D

7、OCUMENTPD IEC/TR 62627-03-03:2013Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-IEC/TR 62627-03-03 Edition 1.0 2013-05 TECHNICAL REPORT Fibre optic interconecting de

8、vices and passive components Part 03-03: Reliability Report on high-power reliability for metal-doped optical fibre plug-style optical attenuators INTERNATIONAL ELECTROTECHNICAL COMMISSION S ICS 33.180.20 PRICE CODE ISBN 978-2-83220-762-8 Registered trademark of the International Electrotechnical Co

9、mmission Warning! Make sure that you obtained this publication from an authorized distributor. colourinsidePD IEC/TR 62627-03-03:2013Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without licens

10、e from IHS-,-,- 2 TR 62627-03-03 IEC:2013(E) CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope . 7 2 Normative references . 7 3 Outline of high-power test for optical attenuators in IEC/TR 62627-03-02 . 7 4 Accuracy of the internal temperature estimated by the thermal simulation 8 5 Return loss decreas

11、ing test for plug-style optical attenuators . 10 5.1 Test samples . 10 5.2 Test set-up and test conditions 11 5.3 Test results and the analysis . 12 5.3.1 The degradation on high-power condition 12 5.3.2 The result of permanent fibre withdrawals before and after the test . 13 5.3.3 Stabilization tim

12、e of return loss decreasing 15 5.3.4 Relation of optical input power, test temperature and stabilized return loss . 15 6 Mechanism of fibre withdrawal on high-power condition 17 6.1 Estimate of the mechanism of fibre withdrawal 17 6.2 Fibre withdrawal after application of high-power test three times

13、 18 7 Long-term reliability test . 19 7.1 Test conditions 19 7.2 Test results . 20 7.2.1 Return loss changing during the test 20 7.2.2 The performance deviation after the test 20 7.3 Analysis of long-term, high-power reliability test 20 8 Conclusion . 20 Bibliography 22 Figure 1 Split-sleeve surface

14、 temperature measurement system on high-power input condition for the SC plug style attenuators by Yamaguchi et al. 8 Figure 2 Split sleeve out-surface temperature measurement results on high-power input condition for the SC plug style attenuators by Yamaguchi et al. 9 Figure 3 Input-power dependenc

15、y of split sleeve outer surface temperature of the SC plug style optical attenuator without housing . 10 Figure 4 Sample of design Worst-case endface conditions 11 Figure 5 Test set-up of return loss monitor at high-power input into the optical attenuator . 11 Figure 6 High-power input test results

16、of optical attenuator 12 Figure 7 Result of high-power input test of the optical attenuator . 12 Figure 8 Relationship between the gap and the return loss 13 Figure 9 Distribution diagram of the optical fibre withdrawal of both the optical attenuator and the optical connector . 14 Figure 10 Temperat

17、ure distribution along the central axis derived from thermal simulation (10 dB optical attenuator) . 14 Figure 11 Time dependence of the maximum temperature in thermal simulation of the optical attenuator 15 PD IEC/TR 62627-03-03:2013Copyright British Standards Institution Provided by IHS under lice

18、nse with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-TR 62627-03-03 IEC:2013(E) 3 Figure 12 Return loss decreasing curve in the tests with various test temperatures and input powers (sample no. ATT44/JC35) 16 Figure 13 Relationship betwe

19、en the maximum internal temperature and return loss stabilization point of the sample tested with various test temperatures and input powers (sample no. ATT44/JC35) . 16 Figure 14 Relationship between the maximum internal temperature and the gap at stabilization of return loss of the sample tested w

20、ith various test temperature and input powers (sample no. ATT44/JC35) . 17 Figure 15 Thermal stress simulation model for three layers of zirconia, epoxy and silica . 17 Figure 16 Result of thermal distortion simulation and relationship between the sample maximum internal temperature and the gap 18 F

21、igure 17 Optical fibre withdrawal alternation under repeated power input to the optical fixed attenuation (70 C, 1 W, 30 min，repeated inputs) 19 Figure 18 High-power, long-term test results of the optical attenuator 20 Table 1 Test conditions of optical attenuators 12 Table 2 Conditions for high-pow

22、er, long-term test of the optical attenuator 19 PD IEC/TR 62627-03-03:2013Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,- 4 TR 62627-03-03 IEC:2013(E) INTERNATIONAL

23、ELECTROTECHNICAL COMMISSION _ FIBRE OPTIC INTERCONECTING DEVICES AND PASSIVE COMPONENTS Part 03-03: Reliability Report on high-power reliability for metal-doped optical fibre plug-style optical attenuators FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization fo

24、r 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 publis

25、hes 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 pa

26、rticipate 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

27、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 Public

28、ations 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 fo

29、r 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 correspon

30、ding 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

31、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

32、 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) Attent

33、ion 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

34、 shall not be held responsible for identifying any or all such patent rights. The main task of IEC technical committees is to prepare International Standards. However, a technical committee may propose the publication of a technical report when it has collected data of a different kind from that whi

35、ch is normally published as an International Standard, for example “state of the art“. IEC 62627-03-03, which is a technical report, has been prepared by subcommittee 86B: Fibre optic interconnecting devices and passive components, of IEC technical committee 86: Fibre optics. PD IEC/TR 62627-03-03:2

36、013Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-TR 62627-03-03 IEC:2013(E) 5 The text of this technical report is based on the following documents: Enquiry draft R

37、eport on voting 86B/3458/DTR 86B/3506/RVC Full information on the voting for the approval of this technical report 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 in the IEC 62

38、627 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 web site under “http:/webstor

39、e.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 inside logo on the cover page of this public

40、ation 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. PD IEC/TR 62627-03-03:2013Copyright British Standards Institution Provided by IHS under license with BSI - Unco

41、ntrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,- 6 TR 62627-03-03 IEC:2013(E) INTRODUCTION Since 2000, the optical power in transmission systems has increased in conjunction with the increase in the number of channels for DWDM systems, with the help o

42、f deployment of RAMAN amplifiers and application of optical amplifiers. It is pointed out, however, that the transmission media of the optical transmission system such as the optical fibre, optical connector and optical passive components may sometimes be hazardous because of possible leakage of hig

43、h-power light that results in personal injury, melting, or a damage possibly causing a fire. IEC Japan National Committee (JPNC) and Optoelectronics Industry and Technology Development Association (OITDA) carried out the research on the high-power reliability and safety of optical passive components

44、. The result was summarized in the OITDA Technical paper, TP04/SP-PD-2008 “Study on the High-Power Reliability of Optical Passive Parts for Communications.” IEC/TR 62627-03-02 was published based on the above report. According to that report, deterioration of optical passive components at high-power

45、 input is caused by temperature rise due to absorption of light as well as consequential thermal distortion. It was decided to undertake additional research whilst utilizing these findings, specifically on the plug style optical attenuator, whose resistance against high-power is relatively small. Th

46、e study result was summarized in OITDA TP, TP09/SP-PD-2010. This technical report was prepared on the basis of OITDA TP, TP09/SP-PD-2010,“Technical paper of investigation of high-power reliability for plug-style fixed optical attenuators”. PD IEC/TR 62627-03-03:2013Copyright British Standards Instit

47、ution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-TR 62627-03-03 IEC:2013(E) 7 FIBRE OPTIC INTERCONECTING DEVICES AND PASSIVE COMPONENTS Part 03-03: Reliability Report on high-power reliability for meta

48、l-doped optical fibre plug-style optical attenuators 1 Scope IEC/TR 62627-03-03, which is a technical report, describes the investigation results of high-power reliability for metal-doped optical fibre plug-style attenuators. This report contains the high-power test results for metal-doped optical fibre SC plug-style optical attenuators, the thermal simulation results and the analysis of degradation modes, long-term reliability test results under high-power conditions and the derivation of maximum limit of optical power for guaranteeing long