IEC/TR 62221 Ed. 2.0 en:2012

Current Revision
Optical fibres - Measurement methods - Microbending sensitivity

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Optical fibres - Measurement methods - Microbending sensitivity

PUBLISH DATE 2012

Optical fibres - Measurement methods - Microbending sensitivity

IEC/TR 62221:2012(E) describes four methods (A, B, C and D) for the measurement of microbending sensitivity of optical fibres. These four methods are distinguished by the equipment being used for measurements and their applications:

  • method A using an expandable drum and applies to category A1 and class B fibres;
  • method B using a fixed diameter drum and applies to category A1 and class B fibres;
  • method C using a plate and applied loads and applies to category A1 and class B fibres;
  • method D using a "basketweave" wrap on a fixed diameter drum, and applies to category A1 and class B fibres.

This second edition cancels and replaces the first edition published in 2001, and constitutes a technical and editorial revision. The main changes with respect to the previous edition are:

  • updates related to B6 (bend-insensitive) category single-mode fibres;
  • inclusion of a definition for microbending and general properties;
  • expansion of general considerations;
  • more details given for each method;
  • addition of an Annex A.

Key words: measurement of microbending sensitivity of optical fibres

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