BSI PD IEC/TR 62627-03-03:2013:2014 Edition
$142.49
Fibre optic interconecting devices and passive components – Reliability. Report on high-power reliability for metal-doped optical fibre plug-style optical attenuators
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 26 |
IEC/TR 62627-03-03, which is a technical report, describes the investigation results of high-power reliability for metal-doped optical fibre plug-style attenuators.
This report contains the high-power test results for metal-doped optical fibre SC plug-style optical attenuators, the thermal simulation results and the analysis of degradation modes, long-term reliability test results under high-power conditions and the derivation of maximum limit of optical power for guaranteeing long-term operation.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | CONTENTS |
| 6 | FOREWORD |
| 8 | INTRODUCTION |
| 9 | 1 Scope 2 Normative references 3 Outline of high-power test for optical attenuators in IEC/TR 62627-03-02 |
| 10 | 4 Accuracy of the internal temperature estimated by the thermal simulation Figures Figure 1 – Split-sleeve surface temperature measurement system on high-power input condition for the SC plug style attenuators by Yamaguchi et al. |
| 11 | Figure 2 – Split sleeve out-surface temperature measurement results on high-power input condition for the SC plug style attenuators by Yamaguchi et al. |
| 12 | 5 Return loss decreasing test for plug-style optical attenuators 5.1 Test samples Figure 3 – Input-power dependency of split sleeve outer surface temperatureof the SC plug style optical attenuator without housing |
| 13 | 5.2 Test set-up and test conditions Figure 4 – Sample of design – Worst-case endface conditions Figure 5 – Test set-up of return loss monitor at high-power inputinto the optical attenuator |
| 14 | 5.3 Test results and the analysis 5.3.1 The degradation on high-power condition Figure 6 – High-power input test results of optical attenuator Figure 7 – Result of high-power input test of the optical attenuator Tables Table 1 – Test conditions of optical attenuators |
| 15 | 5.3.2 The result of permanent fibre withdrawals before and after the test Figure 8 – Relationship between the gap and the return loss |
| 16 | Figure 9 – Distribution diagram of the optical fibre withdrawal of both the optical attenuator and the optical connector Figure 10 – Temperature distribution along the central axis derivedfrom thermal simulation (10 dB optical attenuator) |
| 17 | 5.3.3 Stabilization time of return loss decreasing 5.3.4 Relation of optical input power, test temperature and stabilized return loss Figure 11 – Time dependence of the maximum temperaturein thermal simulation of the optical attenuator |
| 18 | Figure 12 – Return loss decreasing curve in the tests with various test temperatures and input powers (sample no. ATT44/JC35) Figure 13 – Relationship between the maximum internal temperature and return loss stabilization point of the sample tested with various test temperatures and input powers (sample no. ATT44/JC35) |
| 19 | 6 Mechanism of fibre withdrawal on high-power condition 6.1 Estimate of the mechanism of fibre withdrawal Figure 14 – Relationship between the maximum internal temperature and the gap at stabilization of return loss of the sample tested with various test temperature and input powers (sample no. ATT44/JC35) Figure 15 – Thermal stress simulation model for three layers of zirconia,epoxy and silica |
| 20 | 6.2 Fibre withdrawal after application of high-power test three times Figure 16 – Result of thermal distortion simulation and relationship between the sample maximum internal temperature and the gap |
| 21 | Figure 17 – Optical fibre withdrawal alternation under repeated power input to the optical fixed attenuation (70 °C, 1 W, 30 min, repeated inputs) |
| 22 | 7.2 Test results 7.2.1 Return loss changing during the test 7.2.2 The performance deviation after the test 7.3 Analysis of long-term, high-power reliability test 8 Conclusion Figure 18 – High-power, long-term test results of the optical attenuator |
| 24 | Bibliography |
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