DIN EN 60793-1-44 : 2012
Current
The latest, up-to-date edition.
OPTICAL FIBRES - PART 1-44: MEASUREMENT METHODS AND TEST PROCEDURES - CUT-OFF WAVELENGTH (IEC 60793-1-44:2011)
Hardcopy
German
01-02-2012
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
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