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UNE EN 60793-1-60:2017
Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length (Endorsed by Asociación Española de Normalización in December of 2018.)
Fibra óptica. Parte 1-60: Métodos de medida y procedimientos de ensayo. Longitud de batido (Ratificada por la Asociación Española de Normalización en diciembre de 2018.)
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| Standard number: | UNE EN 60793-1-60:2017 |
| Pages: | 29 |
| Released: | 2018-12-01 |
| Status: | Standard |
DESCRIPTION
UNE EN 60793-1-60:2017
This part of the IEC 60793-1 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 type of polarization-maintaining (PM) fibre. The phase beat length is the relevant parameter for the fibres ability to maintain a high extinction ratio. This is described in more details in Annexes A and B.