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BSI PD IEC/TR 62349:2014

BSI PD IEC/TR 62349:2014

$142.49

Guidance of measurement methods and test procedures. Basic tests for polarization-maintaining optical fibres

Published By Publication Date Number of Pages
BSI 2014 28
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This technical report applies to polarization-maintaining (PM) optical fibres.

The object of this report is to define test procedures to be used in establishing uniform requirements for the geometrical and transmission properties of PM fibres.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
8 1 Scope and object
2 Normative references
3 Terms and definitions
9 4 Testing conditions
5 Guidance for dimensional characteristics measurement of polarization-maintaining optical fibres
5.1 Object
5.2 Overview of method
10 5.3 Reference test method
6 Guidance for cut-off wavelength measurement of polarization-maintaining optical fibres
6.1 Object
6.2 Overview of method
7 Guidance for mode field diameter measurement of polarization-maintaining optical fibres
7.1 Object
7.2 Overview of method
11 8 Guidance for beat length measurement of polarization-maintaining optical fibres
8.1 Object
8.2 Overview of methods
8.3 Reference test method
8.4 Specimen
8.5 Beat length measuring method
8.5.1 Method A: Phase beat length measurement method
12 Figures
Figure 1 – Apparatus of beat length measurement – Method A
13 Figure 2 – Example of measurement profile by electro magnet
14 8.5.2 Method B: Group beat length measurement method
8.6 Results
8.6.1 Information available with each measurement
15 8.6.2 Information available upon request
9 Guidance for polarization crosstalk measurement of polarization-maintaining optical fibres
9.1 Object
9.2 Polarization crosstalk measuring method
9.2.1 General
9.2.2 Method A: Power ratio method
16 Figure 3 – Example of test apparatus for polarization crosstalk measurement (power ratio method)
17 9.2.3 Method B: In-line polarimetric method
18 Figure 4a – Front view of dataarc and fitted circle
Figure 4b – 90° – Rotated cutaway view defining the geometrical relationships
Figure 4 – Poincaré sphere representations for Method B
19 Annex A (informative)Cut-off wavelength of PM fibre and SM fibre – Profiles and bend dependence of cut-off wavelength
Figure A. 1 – Cut-off wavelength profiles of PM fibre and SM fibre
Figure A. 2 – Cut-off wavelength profile of PM fibre with extra bending
21 Annex B (informative)Difference of beat length by measurement method
B.1 Modal birefringence and beat length
B.2 Beat length defined by Method B
24 Annex C (informative)Electromagnet for Faraday rotation
Figure C. 1 – A schematic of the electromagnet
25 Bibliography

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BSI PD IEC/TR 62349:2014
$142.49