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Fibre optics - Multimode launch conditions - Part 1: Launch condition requirements for measuring multimode attenuation
Fibre optics - Multimode launch conditions - Part 1: Launch condition requirements for measuring multimode attenuation
IEC 62614-1: 2020 describes the launch condition requirements used for measuring multimode attenuation in passive components and in installed cable plants.
In this document, the fibre types that are addressed include category A1-OMx, where x = 2, 3, 4 and 5 (50 µm/125 µm), and A1-OM1 (62,5 µm/125 µm) multimode fibres, as specified in IEC 60793-2-10.
The nominal test wavelengths detailed are 850 nm and 1 300 nm.
This document can be suitable for multimode attenuation measurements for other multimode categories and/or other wavelengths, but the source condition for other categories and wavelengths are not defined here.
The purpose of these requirements is as follows:
This document describes launch condition requirements for optical attenuation using sources with a controlled encircled flux (EF).
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