1 Scope
This document provides standard procedures for the calibration of optical fibre chromatic dispersion (CD) test sets.
This document is applicable to all types of CD test sets, with the exception that
measurements on multimode optical fibres are excluded.
The purpose of this document is to define a standard procedure for calibrating optical
fibre chromatic dispersion (CD) test sets. The detailed calibration steps used vary according to the measurement technique used in the CD test set.
Whilst it is acknowledged that chromatic dispersion also occurs in multimode fibre
and this fibre can be measured on many CD test sets, this document will restrict discussion
to single mode fibre measurements applications only.
The purpose of the procedures outlined in this document is to focus manufacturers
and users of CD test sets toward the reduction of measurement uncertainty in chromatic
dispersion determination in optical fibres under all applicable conditions. The procedures
apply to calibration laboratories and to the manufacturers or users of CD test sets for the purpose of
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a) calibrating CD test sets, and
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b) evaluating the level of performance of the instrument.
Use of the procedures also allows correct evaluation of CD test set uncertainty, relative
and traceable to appropriate (for example, national) standards.

