1、 IEC 61300-3-43Edition 1.0 2009-01INTERNATIONAL STANDARD Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-43:Examinations and measurements Mode transfer function measurement for fibre optic sources IEC 61300-3-43:2009(E)LICENSED TO MECON Limited
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9、tomer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 61300-3-43Edition 1.0 2009-01INTERNATIONAL STANDARD Fibre optic interconnecting devic
10、es and passive components Basic test and measurement procedures Part 3-43:Examinations and measurements Mode transfer function measurement for fibre optic sources INTERNATIONAL ELECTROTECHNICAL COMMISSION RICS 33.180.20 PRICE CODEISBN 2-8318-1024-2 Registered trademark of the International Electrote
11、chnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61300-3-43 IEC:2009(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 General description.5 4 Theory.5 4.1 Alternative method.7 4.2 Mode power distribution.7
12、 4.3 Constraints.8 5 Apparatus.9 5.1 General.9 5.2 Test sample.9 5.3 Sample positioning device.9 5.4 Optical system.10 5.5 Camera.10 5.6 Video digitiser.10 5.7 Calibration.10 6 Procedure.11 6.1 Mounting and aligning the sample.11 6.2 Optimisation.11 6.3 Acquiring the data.11 7 Calculations.11 7.1 Ba
13、ckground level subtraction.11 7.2 Location of centroid of intensity profile.12 7.3 Differentiating the intensity profile.12 7.4 Computing the MTF.13 8 Results.14 Annex A(informative).16 Bibliography.18 Figure 1 Example of normalised MTF.7 Figure 2 Example of normalised MPD.8 Figure 3 Schematic of me
14、asurement apparatus.9 Figure 4 Location of fibre centre using symmetry computation.13 Figure A.1 Sensitivity of MTF and MPD to core diameter.16 Figure A.2 Sensitivity of MTF and MPD to profile factor.17 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOO
15、K SUPPLY BUREAU.61300-3-43 IEC:2009(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS BASIC TEST AND MEASUREMENT PROCEDURES Part 3-43:Examinations and measurements Mode transfer function measurement for fibre optic sources FOREWORD 1)The Inter
16、national 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 Guides(hereafter ref
