DIN EN 60793-1-48 : 2008

INTRODUCTION
1 Scope
2 Normative references
3 General
  3.1 Reference test method
  3.2 Applicability
4 Apparatus
  4.1 Light source and polarizers
  4.2 Input optics
  4.3 Input positioner
  4.4 Cladding mode stripper
  4.5 High-order mode filter
  4.6 Output positioner
  4.7 Output optics
  4.8 Detector
  4.9 Computer
5 Sampling and specimens
  5.1 Specimen length
  5.2 Deployment
6 Procedure
  6.1 Deploy the fibre or cable and prepare the ends
  6.2 Attach the ends to the input and output optics
  6.3 Engage the computer to complete the scans and
      measurements found in Annexes A, B, and C for
      the three measurement methods
  6.4 Complete documentation
7 Calculation or interpretation of results
8 Documentation
  8.1 Information required for each measurement
  8.2 Information to be available
9 Specification information
Annex A (normative) Fixed analyser measurement method
Annex B (normative) Stokes evaluation method
Annex C (normative) Interferometry method
Annex D (informative) PMD intercomparison results and
         observations
Annex E (informative) Strategies for improving precision
Annex F (informative) Peak identification algorithm for
         extrema counting used in Method A
Annex G (informative) Fourier analysis theoretical
         background for Method A
Annex H (informative) Determination of mode-coupling
         regime from DGD values
Annex I (informative) Formalistic equivalence of PSA and
         JME and result comparison
Annex J (informative) PMD determination by Method C for
         an interferogram with an auto-correlation peak
Annex K (informative) Glossary
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography

Applies to three methods of measuring polarization mode dispersion (PMD). It establishes uniform requirements for measuring the PMD of single-mode optical fibre, thereby assisting in the inspection of fibres and cables for commercial purposes.