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.
IEC 60793-1-40 Ed. 1.0 b:2001
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Optical fibres – Part 1-40: Measurement methods and test procedures – Attenuation
International Electrotechnical Commission , 07/26/2001
Pages: 57
