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TIA-455-78-B:2002

TIA-455-78-B:2002

$29.25

FOTP-78 IEC 60793-1-40 Optical Fibers – Part 1-40: Measurement Methods and Test Procedures – Attenuation

Published By Publication Date Number of Pages
TIA 2002 38
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This part of IEC 60793 establishes uniform requirements for
measuring the attenuation of optical fibre, thereby assisting in
the inspection of fibres and cables for commercial purposes.

Four methods are described for measuring attenuation, one of
which being that for modelling spectral attenuation:

– method A: cut-back;

– method B: insertion loss;

– method C: backscattering;

– method D: modelling spectral attenuation.

Methods A to C apply to the measurement of attenuation for all
categories of the following fibres:

– class A multimode fibres;

– class B single-mode fibres.

Method C, backscattering, also covers the location, losses and
characterization of point discontinuities.

To date, method D has been demonstrated only on class B
fibres.

Information common to all three measurements, and to the
modelling method, appears in clauses 1 to 8, and information
pertaining to each individual method appears in annexes A, B, C,
and D, respectively.

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TIA-455-78-B:2002
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