Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length (IEC 60793-1-60:2017); German version EN 60793-1-60:2017

Standard [CURRENT]

DIN EN 60793-1-60:2017-10

VDE 0888-260:2017-10

Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length (IEC 60793-1-60:2017); German version EN 60793-1-60:2017

German title
Lichtwellenleiter - Teil 1-60: Messmethoden und Prüfverfahren - Schwebungslänge (IEC 60793-1-60:2017); Deutsche Fassung EN 60793-1-60:2017
Publication date
2017-10
Original language
German
Pages
25

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Publication date
2017-10
Original language
German
Pages
25
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Overview

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. The responsible committee is DKE/UK 412.6 "Lichtwellenleiter und Lichtwellenkabel" ("Optical fibres and fibre cables") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.

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