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BSI 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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BSI PD IEC/TR 62547:2013

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

PUBLISH DATE 2013
PAGES 44
BSI PD IEC/TR 62547:2013

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

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

  • test 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.

SDO BSI: British Standards Institution
Document Number IEC/TR 62547
Publication Date May 16, 2013
Language en - English
Page Count
Revision Level
Supercedes
Committee GEL/86/1
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