1、 TECHNICAL REPORT IEC TR 62324 Second edition2007-01 Single-mode optical fibres Raman gain efficiency measurement using continuous wave method Guidance Reference number IEC/TR 62324:2007(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREA
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8、9 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICAL REPORT IECTR 62324 Second edition2007-01 Single-mode optical fibres Raman gain efficiency measurement using continuous wave method Guidance PRICE CODE IEC 2007 Copyright
9、-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Genev
10、a 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch M For price,see current catalogueCommission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONL
11、Y,SUPPLIED BY BOOK SUPPLY BUREAU.2 TR 62324 IEC:2007(E)CONTENTS FOREWORD.3 1 Scope and object.5 2 Normative references.5 3 Terms and definitions.5 4 Overview.6 5 Method.7 5.1 Description.7 5.2 Laser safety.8 6 Apparatus.8 6.1 Optical pump source.8 6.2 Optical signal source.9 6.3 Optical signal condi
12、tioning.10 6.4 Power meter.10 6.5 Optical spectrum analyzer.10 6.6 Examples.10 7 Sampling and specimens.10 7.1 Specimen endfaces.10 7.2 Specimen length.10 7.3 Length selection.10 7.4 Specimen attenuation coefficient.10 8 Procedure.11 9 Calculations and interpretation of results.11 9.1 On/off gain.11
13、 9.2 Raman gain efficiency.11 10 Documentation.11 10.1 Information to be reported with each measurement.11 10.2 Information that should be available upon request.11 Bibliography.12 Figure 1 Typical test set-up for measuring the Raman gain efficiency of a fibre.7 Figure 2 Raman gain efficiency of dep
14、olarized light for a dispersion-unshifted fibre pumped at 1 486 nm 4.8 Table 1 Examples of parameters for measuring Raman efficiency.10 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TR 62324 IEC:2007(E)3 INTERNATIONAL ELECTROTECHNICA
15、L COMMISSION _ SINGLE-MODE OPTICAL FIBRES RAMAN GAIN EFFICIENCY MEASUREMENT USING CONTINUOUS WAVE METHOD GUIDANCE FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).
16、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 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 participat
