1 Scope
2 References
3 Definitions
3.1 General definitions
3.2 Mechanical characteristics
3.3 Glass geometry characteristics
3.4 Optical characteristics
3.5 Others
4 Abbreviations and acronyms
5 Conventions
6 Test methods
6.1 Test methods for the mode field diameter
6.2 Test methods for the cladding diameter, core concentricity
error and cladding non‑circularity
6.3 Test methods for the cut-off wavelength
6.4 Test methods for attenuation
6.5 Test methods for chromatic dispersion
6.6 Test methods for macrobend loss
6.7 Test methods for proof testing
Annex A – Chromatic dispersion fitting
A.1 General
A.2 Definition of equations and fitting coefficients
A.3 Fitting procedure
Appendix I – Methods of cut-off wavelength interpolation
I.1 Limited negative error method
I.2 Least squares method
I.3 Example
Appendix II – Test method for measuring longitudinal uniformity of chromatic
dispersion based on the backscattering technique
II.1 General
II.2 Test apparatus
II.3 Measurement procedure
II.4 Presentation of the results
Appendix III – Example of a matrix model
Appendix IV – Test methods for measuring coherent MPI in short optical fibre
cables (jumpers)
IV.1 First test method: The narrowband ECL/PM technique
IV.2 Second test method: The wideband LED/OSA technique
IV.3 Third test method: The fibre stretching technique
Appendix V – The interferometric technique for chromatic dispersion
measurement
V.1 General
V.2 Test apparatus
Bibliography