OPTICAL FIBRES - PART 1-44: MEASUREMENT METHODS AND TEST PROCEDURES - CUT-OFF WAVELENGTH (IEC 60793-1-44:2011)

Available format(s)

Hardcopy

Language(s)

German

Published date

01-02-2012

Publisher

Verband Deutscher Elektrotechniker

Introduction
1 Scope
2 Normative references
3 Background
4 Overview of methods
5 Mapping functions
6 Reference test method
7 Apparatus
   7.1 Light Source
   7.2 Modulation
   7.3 Launch optics
   7.4 Support and positioning apparatus
   7.5 Cladding mode stripper
   7.6 Deployment mandrel
   7.7 Detection optics
   7.8 Detector assembly and signal detection
        electronics
8 Sampling and specimens
   8.1 Specimen length
   8.2 Specimen end face
9 Procedure
   9.1 Position specimen in apparatus
   9.2 Measure output power
10 Calculations
   10.1 Bend reference technique
   10.2 Multimode reference technique
   10.3 Curve-fitting technique for improved precision
        (optional)
11 Results
   11.1 Information to be provided with each measurement
   11.2 Information available upon request
12 Specification information
Annex A (normative) Requirements specific to method
        A - Cable cut-off wavelength, lambda[cc], using
        uncabled fibre
Annex B (normative) Requirements specific to method
        B - Cable cut-off wavelength lambda[cc], using
        cabled fire
Annex C (normative) Requirements specific to method
        C - Fibre cut-off wavelength, lambda[c]
Annex D (normative) Requirements specific to method
        D - Jumper cable cut-off wavelength, lambda[cj]
Figures

DevelopmentNote	Partially supersedes DIN EN 188000. (11/2002) Supersedes DIN IEC 60793-1-44. (02/2002)
DocumentType	Standard
Pages	0
PublisherName	Verband Deutscher Elektrotechniker
Status	Current

Standards	Relationship
IEC 60793-1-44:2011	Identical
I.S. EN 60793-1-44:2011	Identical
NF EN 60793-1-44 : 2012	Identical
EN 60793-1-44:2011	Identical
BS EN 60793-1-44:2011	Identical
VDE 0888-244 : 2012	Corresponds