1、 IEC TR 60825-17 Edition 2.0 2015-10 TECHNICAL REPORT Safety of laser products Part 17:Safety aspects for use of passive optical components and optical cables in high power optical fibre communication systems IEC T R 60825-17:2015-10(en)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC,Gene
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11、 for use of passiv e optical components and optical cables in high power optical fibre communication systems INT ERNAT IONAL ELECT ROT ECHNICAL COMMISSION ICS 31.260;33.180.01 ISBN 978-2-8322-2959-0 Registered t rademark of the Internat ional Electrotechnica l Commission Warning!Mak e sure that you
12、obtained this publication from an authorized distributor.2 IEC TR 60825-17:2015 IEC 2015 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Recommendations.8 4.1 General considerations the background to optical fibre damage at high powers.8 4.2 Fibre co
13、ating damage occurring when bending at high powers.8 4.3 Information on automatic power reduction(APR).9 4.4 Information for manufacturers,operating organizations and users.10 4.5 Fibre and connector damage induced by high optical powers.11 4.5.1 Fibre fuse and other effects.11 4.5.2 Contamination p
14、articles.12 4.6 Degradation or burn-through of dust cap and/or shutter.12 4.7 Potentially collimated beam profile resulting in an increased optical hazard.12 4.7.1 General.12 4.7.2 High power expanded beam connectors.13 4.8 Increases in the temperatures of attenuators,collimators,splitters and other
15、 passive components.13 4.9 Additional labelling.14 Bibliography.15 IEC TR 60825-17:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SAFETY OF LASER PRODUCTS Part 17:Safety aspects for use of passive optical components and optical cables in high power optical fibre communication systems FO
16、REWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for 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 publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Gu
