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EN 60793-1-60:2017

Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length EN 60793-1-60:2017

Publication date:   Aug 17, 2017

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60.60 Standard published   May 19, 2017

CENELEC

CLC/TC 86A Optical fibres and optical fibre cables

European Norm

33.180.10   Fibres and cables

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<p class="PARAGRAPH">
<span lang="EN-GB">IEC 60793-1-60: 2017 defines test me</span><span lang="EN-GB">t</span><span lang="EN-GB">hods 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 </span><span lang="EN-GB">polarization-maintaining (</span><span lang="EN-GB">PM</span><span lang="EN-GB">)</span><span lang="EN-GB"> fibre. The phase beat length is the relevant parameter for the fibres ability to maintain a high extinction ratio. This is de</span><span lang="EN-GB">s</span><span lang="EN-GB">cribed in more details in Annexes A and B.<o:p></o:p></span>
<p class="PARAGRAPH">
<span lang="EN-GB">Keywords: phase beat length, high extinction<o:p></o:p></span>

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PUBLISHED
EN 60793-1-60:2017
60.60 Standard published
May 19, 2017