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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 60793-1-61:2017 Optical fibres Measurement methods and test procedures. Polarization crosstalk
immediate downloadReleased: 2017-09-22
BS EN 60793-1-61:2017 Optical fibres Measurement methods and test procedures. Polarization crosstalk

BS EN 60793-1-61:2017

Optical fibres Measurement methods and test procedures. Polarization crosstalk

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Standard number:BS EN 60793-1-61:2017
Pages:16
Released:2017-09-22
ISBN:978 0 580 93519 0
Status:Standard
DESCRIPTION

BS EN 60793-1-61:2017


This standard BS EN 60793-1-61:2017 Optical fibres is classified in these ICS categories:
  • 33.180.10 Fibres and cables

This part of IEC 60793 establishes uniform requirements for measuring the polarization crosstalk of polarization-maintaining (PM) fibres.

This document gives two methods for measuring the polarization crosstalk of PM fibres. Method A is the power ratio method, which uses the maximum and minimum values of output power at a specified wavelength, and Method B is the in-line method, which uses an analysis of the Poincaré sphere.

Details of each method are described in Clause 6.

Crosstalk values obtained by Methods A and B are based on different definitions.

The crosstalk measured by Method A is defined as an "averaged" value over a measured wavelength range. In contrast, the crosstalk value obtained from Method B shows the "worst case" crosstalk value.