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1xFORD WSE-M96D34-A4
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IEC 60793-1-61 Ed. 1.0 en:2017
IEC 60793-1-61 Ed. 1.0 en:2017 Optical fibres - Part 1-61: Measurement methods and test procedures - Polarization crosstalk
standard by International Electrotechnical Commission, 02/07/2017
Full Description
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 Poincar 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.
Keywords: polarization-maintaining (PM) fibres
