IEC 60793-1-46:2001 

Optical fibres - Part 1-46: Measurement methods and test procedures - Monitoring of changes in optical transmittance


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Gives two methods for monitoring the changes in optical transmittance of optical fibres and cables that occur during mechanical and environmental testing. It provides a monitor in the change of optical transmission characteristics arising from optical discontinuity, physical defects and modifications of the attenuation slope. The methods are the change in transmittance by transmitted power, and by backscattering. They apply to both multimode and single-mode fibres.

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Relevant for

fibre optics

Additional information

Publication typeInternational Standard
Publication date2001-07-26
Available language(s)English/French
TC/SCTC 86/SC 86A - Fibres and cablesrss
ICS33.180.10 - Fibres and cables
Stability date  2025
File size147 KB

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