IEC 60793-1-49 : 2.0

Table of Contents

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
  4.1 Optical source
  4.2 Stability
  4.3 Launch system
  4.4 Detection system
  4.5 Computational equipment
5 Sampling and specimens
  5.1 Test sample
  5.2 Specimen endfaces
  5.3 Specimen length
  5.4 Specimen packaging
  5.5 Specimen positioning
6 Procedure
  6.1 Adjust and measure system response
  6.2 Adjust detection system
  6.3 Measure the test sample
7 Calculations and interpretation of results
  7.1 Differential mode delay (DMD)
  7.2 Minimum calculated effective modal bandwidth
  7.3 Length normalization
8 Documentation
  8.1 Report the following information for each test:
  8.2 The following information shall be available upon
      request:
9 Specification information
Annex A (normative) Source spectral width limitation
Annex B (informative) Discussion of measurement details
Annex C (informative) Determining DMD weights for EMBc calculation
Annex D (informative) EMBc calculation information
Annex E (informative) Comparison between this standard and
                      ITU recommendations
Bibliography
Figures
Tables

Abstract

Applies to multimode, graded-index glass-core Fibres, it is commonly used in production and research facilities, but is not easily accomplished in the field.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 86
Supersedes	IEC PAS 60793-1-49 : 1.0
Superseded By	IEC 60793-1-49:2018