SN EN 61744 : 2005

FOREWORD
INTRODUCTION
Clause
1 Scope
2 Normative references
3 Terms and definitions
4 Calibration
  4.1 Rationale for calibration of CD test sets
  4.2 Preparation for calibration
  4.3 Calibration procedure
  4.4 Calibration checking procedure
5 Wavelength calibration procedure
  5.1 General
  5.2 Discrete sources
  5.3 Tunable sources
  5.4 Uncertainties and reporting
6 Delay [dispersion] calibration procedure
  6.1 General
  6.2 Equipment and preparation
  6.3 Calibration procedure
  6.4 Uncertainties and reporting
7 Calibration checking procedure
  7.1 General
  7.2 Equipment and preparation
  7.3 Procedure
  7.4 Uncertainties and reporting
  7.5 Generation of infant reference fibre
8 Documentation
  8.1 Specifications, measurement data and uncertainties
  8.2 Traceability information
Annex A (normative) Mathematical basis
       A.1 Deviations
       A.2 Uncertainties type A
       A.3 Uncertainties type B
       A.4 Accumulation of uncertainties
       A.5 Reporting
Annex B (normative) Assessment of operational uncertainties
       B.1 Wavelength calibration uncertainties
       B.2 Fibre length uncertainty
       B.3 Optical delay variation
       B.4 Instrumentation uncertainties
       B.5 Effect of dispersion modelling
       B.6 Fibre related uncertainties
       B.7 System dispersion uncertainties
Annex C (informative) Chromatic dispersion
       C.1 Chromatic dispersion in fibres
       C.2 Description of chromatic dispersion test sets
       C.3 Measurement techniques
       C.4 Fibre chromatic dispersion specifications
Annex D (informative) CD test set calibration compensation
       D.1 Calibration compensation
       D.2 Calibrated reference fibres
       D.3 Calibration compensation procedure
Bibliography

Presents standard procedures for the calibration of optical fibre chromatic dispersion (CD) test sets. It also provides procedures to perform calibration checking on CD test sets whereby an extension to the test set calibration period may be obtained.