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BS EN IEC 61755-2-1:2022

BS EN IEC 61755-2-1:2022

$102.76

Fibre optic interconnecting devices and passive components. Connector optical interfaces for single-mode fibres – Part 2-1: Connection parameters of dispersion unshifted physically contacting fibres. Non-angled

Published By Publication Date Number of Pages
BSI 2022 18
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IEC 61755-2-1:2022 defines a set of prescribed conditions for a single-mode fibre optic connection that is maintained in order to satisfy the requirements of attenuation and return loss (RL) performance in a randomly mated pair of non-angled polished physically contacting (PC) fibres. The model uses a Gaussian distribution of light intensity over the specified mode field diameter (MFD) for determination of attenuation performance grades, based on MFD mismatch and the amount of lateral and angular fibre core offsets. Attenuation and RL performance grades are defined in IEC 61755-1. This second edition cancels and replaces the first edition published in 2006. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:

  1. addition of normative references and visual requirement tables;
  2. reconsideration of the whole parts of the text to avoid misuse of the standard.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
6 Blank Page
7 English
CONTENTS
8 FOREWORD
10 1 Scope
2 Normative references
3 Terms and definitions
11 4 Attenuation and return loss grades
Tables
Table 1 – Single-mode random mate attenuation grades
Table 2 – Single-mode return loss grades
12 5 Criteria for a fit within attenuation and return loss grades
5.1 General
5.2 Attenuation grades and criteria
Table 3 – MFD and fibre core nominal index of refraction
13 5.3 Visual requirements for return loss grades
Figures
Figure 1 – Lateral offset and angular offset versus attenuation, ηcombined, for single‑mode fibre with 8,9 µm MFD at 1 310 nm
14 Table 4 – Visual requirements for single-mode PC polishedfibres with RL grade 2 single-mode (SM) (RL ≥ 45 dB)
Table 5 – Visual requirements for single-mode PC polishedfibres with RL grade 3 single-mode (SM) (RL ≥ 35 dB)
Table 6 – Visual requirements for single-mode PC polishedfibres with RL grade 4 single-mode (SM) (RL ≥ 26 dB)
15 Annex A (informative)Effect of damaged surface layer on non-angled connections
Figure A.1 – Model of the connection of convex polishedend faces under compressive load
16 Figure A.2 – High index layer refractive index and thickness versus return loss for a typical dispersion unshifted single-mode fibre
17 Bibliography

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BS EN IEC 61755-2-1:2022
$102.76