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immediate downloadReleased: 2020-02-27
BS EN IEC 60793-1-49:2018 - TC
Tracked Changes. Optical fibres Measurement methods and test procedures. Differential mode delay
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Standard number: | BS EN IEC 60793-1-49:2018 - TC |
Released: | 2020-02-27 |
ISBN: | 978 0 539 11687 8 |
Status: | Tracked Changes |
DESCRIPTION
BS EN IEC 60793-1-49:2018 - TC
This standard BS EN IEC 60793-1-49:2018 - TC Tracked Changes. Optical fibres is classified in these ICS categories:
- 33.180.10 Fibres and cables
a) better alignment with original intent by filling some omissions and therefore improving measurement rigor;
b) the measurement of fibres with smaller differential mode delay (and higher modal bandwidth) such as type A1a.3 fibres of IEC 60793-2-10 that are used in constructing OM4 performance category cables; new requirements on specifying detector amplitude and temporal response, specimen deployment conditions, four-quadrant scanning, and uniformity of radial locations for calculating bandwidth.
Keywords: modal structure of a graded-index multimode fibre, bandwidth performance