BSI PD IEC/TR 62627-08:2016
$142.49
Fibre optic interconnecting devices and passive components – Study of optical power blocking measurement methods for adaptors with an optical power blocking shutter
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 28 |
This part of IEC 62627, which is a Technical Report, describes two methods used to measure the blocking characteristics of adaptors with an optical power blocking shutter. This document focuses on singlemode fibre (SMF) and two wavelengths, 1 310 nm and 1 550 nm.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | CONTENTS |
| 6 | FOREWORD |
| 8 | INTRODUCTION |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Background to the measurement method of blocking characteristics for adaptors with an optical power blocking shutter 4.1 Laser safety requirement for optical fibre communication systems |
| 10 | 4.2 Required performance of the power blocking shutter 4.3 Standard measurement conditions used to determine laser safety for optical fibre communication systems 5 Measurement methods used in this Technical Report 5.1 Background 5.2 Test 5.2.1 Measurement set-up |
| 11 | 5.2.2 Study of dynamic range 5.2.3 Light source and optical detector Figures Figure 1 – Example of measurement set-up for Method 1 Figure 2 – Example of measurement set-up for Method 2 |
| 12 | 5.2.4 Measurement environment 5.3 Measurement of the maximum emitted optical power 5.4 Measuring system dynamic range 5.5 Measuring the level of optical power blocking |
| 13 | 6 Demonstration of measurement 6.1 Common measurement conditions 6.2 Measurement set-up 6.2.1 Method 1 Tables Table 1 – Common measurement conditions |
| 14 | Table 2 – Details of apparatus used for Method 1 |
| 15 | 6.2.2 Method 2 Figure 3 – Measurement set-up, Method 1 |
| 16 | 6.3 Dynamic range 6.3.1 Method 1 Figure 4 – Measurement set-up, Method 2 Table 3 – Details of apparatus used for Method 2 |
| 17 | 6.3.2 Method 2 6.3.3 Samples measured 6.4 Measurement results Table 4 – Adaptors with an optical power blocking shutter |
| 18 | Figure 5 – Comparison between average of optical power blocking and the standard deviations (Type SC, wavelength of 1 310 nm) Figure 6 – Comparison between average of optical power blocking and the standard deviations (Type SC, wavelength of 1 550 nm) |
| 19 | 6.5 Study of the factors affecting measurement uncertainty Figure 7 – Comparison between average of optical power blocking and the standard deviations (Type LC, wavelength of 1 310 nm) Figure 8 – Comparison between average of optical power blocking and the standard deviations (Type LC, wavelength of 1 550 nm) |
| 20 | 7 Summary |
| 21 | Annex A (informative) Observation of emitted light using a visible light source Figure A.1 – Example of off-axis emitted visible light (Type LC duplex adaptor with an optical power blocking shutter) |
| 22 | Annex B (informative) Detailed measured levels of blocking characteristics (Measured values of light quantity shielded by adaptors with an optical power blocking shutter) Table B.1 – Measured values of optical power blocking(Type SC, measured wavelength of 1 310 nm) |
| 23 | Table B.2 – Measured values of optical power blocking (Type SC, measured wavelength of 1 550 nm) Table B.3 – Measured values of optical power blocking (Type LC, measured wavelength of 1 310 nm) for non-angled PC end face |
| 24 | Table B.4 – Measured values of optical power blocking (Type LC, measured wavelength of 1 310 nm) for 8 degree-angled PC end face Table B.5 – Measured values of optical power blocking (Type LC, measured wavelength of 1 550 nm) for non-angled PC end face |
| 25 | Table B.6 – Measured values of optical power blocking (Type LC, measured wavelength of 1 550 nm) for 8 degree-angled PC end face |
| 26 | Bibliography |
