1、 IEC TR 62627-08 Edition 1.0 2016-01 TECHNICAL REPORT Fibre optic interconnecting devices and passive components Part 08:Study of optical power blocking measurement methods for adaptors with an optical power blocking shutter IEC T R 62627-08:2016-01(en)colourinside THIS PUBLICATION IS COPYRIGHT PROT
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11、 passive components Part 08:Study of optical power blocking measurement methods for adaptors with an optical power blocking shutter INT ERNAT IONAL ELECT ROT ECHNICAL COMMISSION ICS 33.180.20 ISBN 978-2-8322-3119-7 Registered t rademark of the Internat ional Electrotechnica l Commission Warning!Mak
12、e sure that you obtained this publication from an authorized distributor.colourinside 2 IEC TR 62627-08:2016 IEC 2016 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.7 4 Background to the measurement method of blocking characteristics for adaptors with a
13、n optical power blocking shutter.7 4.1 Laser safety requirement for optical fibre communication systems.7 4.2 Required performance of the power blocking shutter.8 4.3 Standard measurement conditions used to determine laser safety for optical fibre communication systems.8 5 Measurement methods used i
14、n this Technical Report.8 5.1 Background.8 5.2 Test.8 5.2.1 Measurement set-up.8 5.2.2 Study of dynamic range.9 5.2.3 Light source and optical detector.9 5.2.4 Measurement environment.10 5.3 Measurement of the maximum emitted optical power.10 5.4 Measuring system dynamic range.10 5.5 Measuring the l
15、evel of optical power blocking.10 6 Demonstration of measurement.11 6.1 Common measurement conditions.11 6.2 Measurement set-up.11 6.2.1 Method 1.11 6.2.2 Method 2.13 6.3 Dynamic range.14 6.3.1 Method 1.14 6.3.2 Method 2.15 6.3.3 Samples measured.15 6.4 Measurement results.15 6.5 Study of the factor
16、s affecting measurement uncertainty.17 7 Summary.18 (informative)Observation of emitted light using a visible light source.19 Annex A(informative)Detailed measured levels of blocking characteristics(Measured Annex Bvalues of light quantity shielded by adaptors with an optical power blocking shutter).20 Bibliography.24 Figure 1 Example of measurement set-up for Method 1.9 Figure 2 Example of measurement set-up for Method 2.9 Figure 3 Measurement set-up,Method 1.13 Figure 4 Measurement set-up,Meth
