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Homepage>BS Standards>33 TELECOMMUNICATIONS. AUDIO AND VIDEO ENGINEERING>33.180 Fibre optic communications>33.180.10 Fibres and cables>BS EN 60793-1-60:2017 Optical fibres Measurement methods and test procedures. Beat length
immediate downloadReleased: 2017-09-25
BS EN 60793-1-60:2017 Optical fibres Measurement methods and test procedures. Beat length

BS EN 60793-1-60:2017

Optical fibres Measurement methods and test procedures. Beat length

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Standard number:BS EN 60793-1-60:2017
Pages:26
Released:2017-09-25
ISBN:978 0 580 93518 3
Status:Standard
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BS EN 60793-1-60:2017


This standard BS EN 60793-1-60:2017 Optical fibres is classified in these ICS categories:
  • 33.180.10 Fibres and cables

This part of IEC 60793 defines test methods for both the phase beat length, and the group beat length. These two parameters are defined differently, and will give different results depending on the type of polarization-maintaining (PM) fibre.

The phase beat length is the relevant parameter for the fibres ability to maintain a high extinction ratio. This is described in more details in Annexes A and B.