BS EN IEC 60793‑2‑40 is part of a multi-series on optical fibres. BS EN IEC 60793 ‑ 2 ‑ 40 is applicable to category A4 optical multimode fibres and related subcategories A4a, A4b, A4c, A4d, A4e, A4g, A4h and A4i. These multimode fibres have a plastic core and plastic cladding and may have a step-index, multi-step index or graded-index profiles. These multimode fibres are used in information transmission equipment and other applications employing similar light transmitting techniques and in fibre optic cables. Three types of requirements for A4 fibres are elaborated in BS EN IEC 60793 ‑ 2 ‑ 40 :

BS EN IEC 60793-2-40:2021 PDF

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