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IEC 60793-1-61-ed.1.0
Optical fibres - Part 1-61: Measurement methods and test procedures - Polarization crosstalk
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STANDARD published on 7.2.2017
The information about the standard:
Designation standards: IEC 60793-1-61-ed.1.0
Publication date standards: 7.2.2017
SKU: NS-675356
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60793-1-61-ed.1.0 :
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 Poincare 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. IEC 60732-1-61: 2017 definit des exigences uniformes relatives au mesurage de la diaphonie de polarisation des fibres a maintien de polarisation (PM - polarization-maintaining). Le present document fournit deux methodes de mesurage de la diaphonie de polarisation des fibres PM. La Methode A est la methode du rapport de puissance, qui utilise les valeurs maximale et minimale de puissance de sortie a une longueur d’onde specifiee, et la Methode B est la methode synchronisee, qui utilise une analyse de la sphere de Poincare. L’Article 6 detaille chacune des methodes. Les valeurs de diaphonie obtenues par les Methodes A et B se fondent sur des definitions differentes. La diaphonie mesuree par la Methode A se definit comme une valeur « moyenne » dans une plage mesuree de longueurs d’ondes. Par contraste, la valeur de diaphonie obtenue avec la Methode B est la valeur de diaphonie « la plus defavorable ». La presente version bilingue (2020-09) correspond a la version anglaise monolingue publiee en 2017-02.
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