1、 IEC 61300-3-29 Edition 2.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-29: Examinations and measurements Spectral transfer characteristics of DWDM devices Dispositifs dinterconnexion et c
2、omposants passifs fibres optiques Procdures fondamentales dessais et de mesures Partie 3-29: Examens et mesures Caractristiques de transfert spectral des dispositifs DWDM IEC 61300-3-29:2014-03(en-fr) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All r
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20、questions contactez-nous: csciec.ch. IEC 61300-3-29 Edition 2.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-29: Examinations and measurements Spectral transfer characteristics of DWDM devi
21、ces Dispositifs dinterconnexion et composants passifs fibres optiques Procdures fondamentales dessais et de mesures Partie 3-29: Examens et mesures Caractristiques de transfert spectral des dispositifs DWDM INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE W ICS 33
22、.180.20 PRICE CODE CODE PRIX ISBN 978-2-8322-1479-4 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assur
23、er que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 61300-3-29:2014 IEC 2014 CONTENTS FOREWORD . 5 1 Scope 7 2 Normative references 7 3 Terms, definitions, abbreviations and symbols . 7 3.1 Terms and definitions . 7 3.2 Symbols and abbreviations 8 3.2.1 Symbols . 8
24、 3.2.2 Abbreviations 8 4 General description . 9 5 Apparatus 10 5.1 Measurement set-up 10 5.2 Light source, S . 12 5.2.1 Tuneable narrowband light source (TNLS) Method A . 12 5.2.2 Broadband source (BBS) Method B . 12 5.3 Tracking filter (TF) . 12 5.4 Reference branching device (RBD) 12 5.5 Waveleng
25、th meter (WM) 13 5.6 Polarizer (PL). 13 5.7 Polarization controller (PC) 13 5.8 Device under test (DUT) 13 5.8.1 General 13 5.8.2 Device input/output optics . 14 5.9 Detector (D) . 14 5.9.1 Broadband detectors, BBD1, BBD2, Method A.1 . 14 5.9.2 Tuneable narrowband detector (TND) Method A.2 and Metho
26、d B 14 5.10 Temporary joints (TJ) . 15 6 Procedure 15 6.1 General 15 6.2 Preparation of DUTs 15 6.3 System initialization . 15 6.4 System reference measurement . 16 6.4.1 General 16 6.4.2 Measurement of the reference spectra for Method A . 16 6.4.3 Measurement of reference spectra for Method B . 16
27、6.5 Measurement of device spectra . 16 7 Characterization of the device under test . 17 7.1 Determination of transfer functions 17 7.1.1 General 17 7.1.2 Accounting for the source variations . 17 7.1.3 Calculations for the Mueller matrix method . 17 7.2 Transmission (T() spectra measurements . 18 7.
28、2.1 General 18 7.2.2 Peak power calculation . 19 IEC 61300-3-29:2014 IEC 2014 3 7.2.3 Normalization of the transfer function . 20 7.3 Calculation of optical attenuation (A) 20 7.4 Insertion loss (IL) . 20 7.5 Bandwidth and full spectral width . 21 7.5.1 General 21 7.5.2 Centre wavelength 21 7.5.3 Ce
29、ntre wavelength deviation . 22 7.5.4 X dB bandwidth 22 7.6 Passband ripple . 22 7.7 Isolation (I) and crosstalk (XT) . 23 7.7.1 General 23 7.7.2 Channel isolation 24 7.7.3 Channel crosstalk . 24 7.7.4 Adjacent channel isolation 24 7.7.5 Adjacent channel crosstalk . 25 7.7.6 Minimum adjacent channel
30、isolation . 25 7.7.7 Maximum adjacent channel crosstalk 25 7.7.8 Non-adjacent channel isolation . 25 7.7.9 Non-adjacent channel crosstalk 26 7.7.10 Minimum non-adjacent channel isolation . 26 7.7.11 Maximum non-adjacent channel crosstalk . 26 7.7.12 Total channel isolation 26 7.7.13 Total channel cr
31、osstalk . 26 7.7.14 Minimum total channel isolation 26 7.7.15 Maximum total channel crosstalk 26 7.8 Polarization dependent loss (PDL() . 27 7.9 Polarization dependent centre wavelength (PDCW) . 27 7.10 Channel non-uniformity 28 7.11 Out-of-band attenuation . 28 8 Details to be specified . 28 8.1 Li
32、ght source (S) . 28 8.1.1 Tuneable narrowband light source (TNLS) 28 8.1.2 Broadband source (BBS) (unpolarized) . 28 8.2 Polarization controller (PC) 29 8.3 Polarizer (PL). 29 8.4 Tracking filter (TF) . 29 8.5 Reference branching device (RBD) 29 8.6 Temporary joint (TJ) 29 8.7 Wavelength meter (WM)
33、29 8.8 Detector (D) . 29 8.8.1 Broadband detector (BBD) 29 8.8.2 Tuneable narrowband detector (TNBD) . 29 8.9 DUT . 30 Annex A (informative) Reflection spectrum measurements . 31 A.1 General 31 A.2 Apparatus 31 A.2.1 General 31 A.2.2 Reference branching device . 31 4 IEC 61300-3-29:2014 IEC 2014 A.2
34、.3 Optical termination . 32 A.3 Measurement procedure 32 A.3.1 General 32 A.3.2 Determination of source reference spectrum . 32 A.3.3 Determination of system constant . 32 A.3.4 Determination of reference reflectance spectrum 33 A.3.5 Determination of device reflectance spectrum . 33 A.3.6 Determina
35、tion of optical attenuation 33 A.4 Reflection R() spectra measurements 34 Annex B (informative) Determination of the wavelength increment parameter 35 Annex C (informative) Determination of a mean value using the shorth function . 37 Bibliography 39 Figure 1 Basic measurement set-up . 10 Figure 2 Me
36、asurement set-up for tuneable narrowband light source (TNLS) system . 11 Figure 3 Measurement set-up for TNLS and tuneable narrowband detector (TND) system 11 Figure 4 Measurement set-up for BBS and tuneable narrowband detector (TND) system 11 Figure 5 System reference for transmission measurement .
37、 16 Figure 6 Normalized transfer functions . 19 Figure 7 BW and full spectral width for a fibre Bragg grating 21 Figure 8 X dB bandwidth 22 Figure 9 Passband ripple . 23 Figure 10 Channel isolation and crosstalk 24 Figure 11 Minimum adjacent channel isolation . 25 Figure 12 Polarization dependence o
38、f the transfer function 27 Figure 13 Polarization dependent centre wavelength (PDCW) 28 Figure A.1 Measurement set-up for a single port device . 31 Figure A.2 Source reference set-up . 32 Figure A.3 Set-up for measurement of system constant . 33 Figure C.1 Example response and x dB wavelengths . 37
39、Figure C.2 Example showing the 0,5 dB wavelengths based on the shorth (dotted vertical lines) and the mean (solid vertical lines) . 38 Table 1 Test methods 10 IEC 61300-3-29:2014 IEC 2014 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS BASIC T
40、EST AND MEASUREMENT PROCEDURES Part 3-29: Examinations and measurements Spectral transfer characteristics of DWDM devices FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National
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