IEC 60793-1-40 Ed. 1.0 b:2001

Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation

International Electrotechnical Commission, 07/26/2001

Publisher: IEC

File Format: PDF

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Description

Published:26/07/2001

Pages:57

File Size:1 file , 630 KB

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Establishes uniform requirements for measuring the attenuation of optical fibres. Four methods are described: (a) cut-back, (b) insertion loss, (d) backscattering, (d) modelling spectral attenuation. Methods (a), (b) and (c) apply to all categories of class A multimode fibres and class B single-mode fibres. Method (c), backscattering, also covers the location, losses and characterization of point discontinuities. Method (d) has been demonstrated only on class B fibres.