IEC-TR-62547-2009.pdf
《IEC-TR-62547-2009.pdf》由会员分享,可在线阅读,更多相关《IEC-TR-62547-2009.pdf(44页珍藏版)》请在三一文库上搜索。
1、 IEC/TR 62547 Edition 1.0 2009-03 TECHNICAL REPORT Guidelines for the measurement of high-power damage sensitivity of single- mode fibres to bends Guidance for the interpretation of results IEC/TR 62547:2009(E) Copyright International Electrotechnical Commission Provided by IHS under license with IE
2、CLicensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 05:33:39 MDTNo reproduction or networking permitted without license from IHS -,-,- THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publicatio
3、n may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enqui
4、ry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. Droits de reproduction rservs. Sauf indication contraire, aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque
5、forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit de la CEI ou du Comit national de la CEI du pays du demandeur. Si vous avez des questions sur le copyright de la CEI ou si vous dsirez obtenir des droits supplmentaires sur cet
6、te publication, utilisez les coordonnes ci-aprs ou contactez le Comit national de la CEI de votre pays de rsidence. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.ch About IEC publications The technical content of IEC publications is kept under con
7、stant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. ? Catalogue of IEC publications: www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical commit
8、tee,). It also gives information on projects, withdrawn and replaced publications. ? IEC Just Published: www.iec.ch/online_news/justpub Stay up to date on all new IEC publications. Just Published details twice a month all new publications released. Available on-line and also by email. ? Electropedia
9、: www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French, with equivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. ? Customer Servic
10、e Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 Copyright International Electrotechnical Commission Pr
11、ovided by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 05:33:39 MDTNo reproduction or networking permitted without license from IHS -,-,- IEC/TR 62547 Edition 1.0 2009-03 TECHNICAL REPORT Guidelines for the measurement of high-power damage sensitivity of sin
12、gle- mode fibres to bends Guidance for the interpretation of results INTERNATIONAL ELECTROTECHNICAL COMMISSION W ICS 33.180.10 PRICE CODE ISBN 2-8318-1034-2 Registered trademark of the International Electrotechnical Commission Copyright International Electrotechnical Commission Provided by IHS under
13、 license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 05:33:39 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 TR 62547 IEC:2009(E) CONTENTS FOREWORD.4 1 Scope.6 2 Normative references .6 3 Background 7 4 Test procedures .8 4.1 Safety .8 4.1.1 Safe
14、ty issues.8 4.1.2 Eye safe working .9 4.1.3 Risk of fire / flame .9 4.1.4 Risk of atmospheric pollution from coating by-products .9 4.1.5 Risk of fibre fuse initiation .9 4.1.6 Risk of damage to downstream components9 4.1.7 Risk avoidance9 4.2 General.10 4.3 Apparatus10 4.3.1 Light source.10 4.3.2 I
15、solator10 4.3.3 Bend jig.11 4.3.4 Receiver11 4.3.5 Attenuator .11 4.3.6 Computer 11 4.3.7 Camera .11 4.3.8 Thermal imaging camera .11 4.3.9 Oven .11 4.3.10 Sample11 4.4 Test Method 1. Failure time characterization as a function of the launch power and bend conditions (bend angle and diameter)12 4.4.
16、1 Description and procedure.12 4.4.2 General comments and conclusions on test Method 113 4.4.3 Reported items for test Method 1.14 4.5 Test Method 2 Equilibrium temperature measurement 14 4.5.1 General .14 4.5.2 Coating heating measurements and power lost at bend .15 4.5.3 Analysis Test Method 2: Eq
17、uilibrium temperature .16 4.5.4 Test conditions for test Method 2.18 4.5.5 Conclusions on test Method 218 4.5.6 Reported items for test Method 2.19 5 Conclusions19 Annex A (informative) Robustness of fibres against damage from exposure to high- power at bends .21 Bibliography39 Figure 1 An example o
18、f experimental layout.10 Figure 2 Damage results for fibre type G12 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 04/07/2009 05:33:39 MDTNo reproduction or networking permitted without license from IHS -,-,
19、- TR 62547 IEC:2009(E) 3 Figure 3 Example of time evolution of loss power and maximum temperature reached by the coating at the apex when high-power is launched (P = 3,2W, Bend diameter = 5 mm, = 1360 nm Reference 10).14 Figure 4 Sample FLIR camera output of the fibre bent under high-power. The cros
20、s- mark indicates the location of the maximum temperature 15 Figure 5 Evolution of the coating equilibrium temperature as a function of launched power (see reference 10)16 Figure A.1 Clamping arrangements for high-power damage testing in 180 bends23 Figure A.2 Clamping arrangement for high-power dam
21、age testing in 90 bends .23 Figure A.3 Typical R1 failure characteristics with a loss of greater than 10 dB .24 Figure A.4 Typical R2 failure characteristics 24 Figure A.5 A schematic illustration of the 3 regimes in the first fibres tested 24 Figure A.6 Monitor signal changes typical for a R1 failu
22、re.25 Figure A.7 Monitor signal changes typical for a R2 failure.25 Figure A.8 Damage results for fibre type D.26 Figure A.9 High-power damage results at 90 and 180 for fibre D .26 Figure A.10 Time to failure versus bend diameter at different launched powers. 27 Figure A.11 Bend loss performance at
23、180 (and 90 for reference) for fibre D (see Clause A.7 for a full discussion)28 Figure A.12 Power limitation for primary coated fibre .28 Figure A.13 Comparison of power limitation for primary and secondary coated fibre D.29 Figure A.14 Maximum optical power ensuring a 25 year lifetime and 180 bend
24、loss versus bend diameter (from reference 10) 30 Figure A.15 Maximum optical power ensuring a 25 year lifetime versus 180 bend loss 30 Figure A.16 180 2-point OSA Bend Loss for fibre D 32 Figure A.17 180 2-point bend loss at 1 480 nm for fibre D.32 Figure A.18 2-point bend loss for fibre D at variou
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- IEC TR 62547 2009
链接地址:https://www.31doc.com/p-3769174.html