Cover DIN EN 61280-1-4 VDE 0885-801-4:2010-09
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DIN EN 61280-1-4 VDE 0885-801-4:2010-09

Fibre optic communication subsystem test procedures

Part 1-4: General communication subsystems – Light source encircled flux measurement method

(IEC 61280-1-4:2009); German version EN 61280-1-4:2010
Class/Status: Standard, withdrawn
Released: 2010-09
VDE Art. No.: 0885002

Contents (only German)

This standard is intended to characterize the encircled flux of two types of light sources: transmission light sources, which are usually coherent and substantially under-excite the mode volume of a multimode fibre, and measurement light sources, which are incoherent and must excite most of the mode volume of a multimode fibre. This part of IEC 61280 sets forth a standard procedure for the collection of two-dimensional fibre optic nearfield grayscale data and subsequent reduction to one-dimensional data expressed as a set of three sampled parametric functions of radius from the fibre’s optical centre.

Standard:

DIN EN IEC 61280-1-4 VDE 0885-801-4:2023-12

Fibre optic communication subsystem test procedures

Part 1-4: General communication subsystems – Light source encircled flux measurement method

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