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
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.
Cooperation at DIN
Please get in touch with the relevant contact person at DIN if you have problems understanding the content of the standard or need advice on how to apply it.