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Homepage>CSN Standards>35 ELECTRICAL ENGINEERING>3592 Cables and elements for fibre optics>CSN EN 60793-1-61 - Optical fibres - Part 1-61: Measurement methods and test procedures - Polarization crosstalk
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CSN EN 60793-1-61 - Optical fibres - Part 1-61: Measurement methods and test procedures - Polarization crosstalk

CSN EN 60793-1-61

Optical fibres - Part 1-61: Measurement methods and test procedures - Polarization crosstalk

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Category:359213
Released:2017
Number of Standard:CSN EN 60793-1-61
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EN 60793-1-61


EN 60793-1-61 Optical fibres - Part 1-61: Measurement methods and test procedures - Polarization crosstalk - IEC 60793-1-61: 2017 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.

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