1、 IEC 61280-1-3Edition 2.0 2010-03INTERNATIONAL STANDARD Fibre optic communication subsystem test procedures Part 1-3:General communication subsystems Central wavelength and spectral width measurement IEC 61280-1-3:2010(E)LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ON
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9、 Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 61280-1-3Edition 2.0 2010-03INTERNATIONAL STANDARD Fibre optic communication subsystem test procedures Part 1-3:General communication subsy
10、stems Central wavelength and spectral width measurement INTERNATIONAL ELECTROTECHNICAL COMMISSION QICS 33.180.01 PRICE CODEISBN 2-8318-1082-3 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLI
11、ED BY BOOK SUPPLY BUREAU.2 61280-1-3 IEC:2010(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms and definitions.5 3.1 Wavelength.5 3.2 Spectral width.6 3.3 Additional spectral characteristics.6 4 Apparatus.6 4.1 Calibrated optical spectrum analyzer.6 4.2 Power supplies.7 4.3 Input sig
12、nal source or modulator.7 4.4 Test cord.7 5 Test sample.7 6 Procedure(Method A).7 6.1 General.7 6.2 Setup.7 6.3 Adjustment of spectrum analyzer controls.8 7 Procedure(Method B).8 7.1 Setup.8 7.2 Adjustment of spectrum analyzer controls.9 7.3 Continuous LED and SLM spectra.9 7.4 Discrete MLM spectra.
13、9 7.5 Continuous SLM spectra.10 8 Calculation.10 8.1 General.10 8.2 Centre wavelength.10 8.3 Centroidal wavelength.10 8.4 Peak wavelength.11 8.5 RMS spectral width(rms).11 8.6 n-dB spectral width(n-dB).11 8.7 Full-width half-maximum spectral width(fwhm).11 8.8 Side-mode suppression ratio(SMSR).12 9
14、Test results.12 9.1 Required information.12 9.2 Information to be available on request.12 10 Example results.12 Figure 1 Example of a LED optical spectrum.13 Figure 2 Typical spectrum analyzer output for an MLM laser.15 Figure 3 fwhm spectral width measurement for MLM laser.16 Figure 4 fwhm spectral
15、 width calculation for MLM laser.16 Figure 5 Peak emission wavelength and 30dB measurement for SLM laser.17 Table 1 Measurement points for LED spectrum from Figure 1.13 Table 2 RMS spectral characterization.14 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED
16、 BY BOOK SUPPLY BUREAU.61280-1-3 IEC:2010(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIBRE OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES Part 1-3:General communication subsystems Central wavelength and spectral width measurement FOREWORD 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 conc