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Homepage>BS Standards>33 TELECOMMUNICATIONS. AUDIO AND VIDEO ENGINEERING>33.180 Fibre optic communications>33.180.10 Fibres and cables>PD IEC/TR 62547:2013 Guidelines for the measurement of high-power damage sensitivity ofsinglemode fibre to bends. Guidance for the interpretation of results
immediate downloadReleased: 2013-05-16
PD IEC/TR 62547:2013 Guidelines for the measurement of high-power damage sensitivity ofsinglemode fibre to bends. Guidance for the interpretation of results

PD IEC/TR 62547:2013

Guidelines for the measurement of high-power damage sensitivity ofsinglemode fibre to bends. Guidance for the interpretation of results

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Standard number:PD IEC/TR 62547:2013
Pages:44
Released:2013-05-16
ISBN:978 0 580 79542 8
Status:Standard
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PD IEC/TR 62547:2013


This standard PD IEC/TR 62547:2013 Guidelines for the measurement of high-power damage sensitivity ofsinglemode fibre to bends. Guidance for the interpretation of results is classified in these ICS categories:
  • 33.180.10 Fibres and cables

This technical report describes two methods for the measurement of the sensitivity of single - mode optical fibres to high-power damage at bends:

  • te st method 1 – Failure time characterisation as a function of the launch power and bend conditions (bend angle and bend diameter);

  • t est method 2 – Equilibrium temperature measurement .

Results from the two methods can only be compared qualitatively.

The results in this report are predominantly on un -cabled and un-buffered fibres. Cabled and buffered fibres are expected to respond differently , because the outer layers can affect the ageing process. Note also that test method 2 testing cannot be applied to buffered or cabled fibres.

These methods do not constitute a routine test to be used in the evaluation of optical fibre.

The parameters derived from the two methods are not intended to be specified within a detailed fibre specification.

The catastrophic failure modes arising and which are described in this document in general occur at bending radii much smaller than specified in the single -mode fibre specification IEC 60793-2-50 or than would be recommended based on mechanical reliability considerations alone.

This report includes several annexes, including a discussion on the rationale for the approaches adopted, metrics for assessment, guidance, examples and some conclusions from initial studies.