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EN 60793-1-60:2017

Current

Current

The latest, up-to-date edition.

Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length

Published date

19-05-2017

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Testing conditions
5 Reference test method
6 Specimen
7 Test methods
8 Results
Annex A (informative) - Difference of beat lengths
        by measurement method (phase beat length and
        group beat length)
Annex B (informative) - Correlation between results
        obtained by the two methods (phase beat length
        and group beat length)
Annex C (informative) - Electromagnet for Faraday rotation
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications


IEC 60793-1-60: 2017 defines test methods for both the phase beat length, and the group beat length. These two parameters are defined differently, and will give different results depending on the type of polarization-maintaining (PM) fibre. The phase beat length is the relevant parameter for the fibres ability to maintain a high extinction ratio. This is described in more details in Annexes A and B.

Keywords: phase beat length, high extinction

Committee
CLC/TC 86A
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

I.S. EN 60793-2-70:2017 OPTICAL FIBRES - PART 2-70: PRODUCT SPECIFICATIONS - SECTIONAL SPECIFICATION FOR POLARIZATION-MAINTAINING FIBRES
CEI EN 60793-2-70 : 1ED 2017 OPTICAL FIBRES - PART 2-70: PRODUCT SPECIFICATIONS - SECTIONAL SPECIFICATION FOR POLARIZATION-MAINTAINING FIBRES
BS EN 60793-2-70:2017 Optical fibres Product specifications. Sectional specification for polarization-maintaining fibres
EN 60793-2-70:2017 Optical fibres - Part 2-70: Product specifications - Sectional specification for polarization-maintaining fibres

IEC 60793-1-1 : 2017 OPTICAL FIBRES - PART 1-1: MEASUREMENT METHODS AND TEST PROCEDURES - GENERAL AND GUIDANCE
IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
EN 60793-1-1:2017 Optical fibres - Part 1-1: Measurement methods and test procedures - General and guidance
IEC 60793-2:2015 Optical fibres - Part 2: Product specifications - General
EN 60068-1:2014 Environmental testing - Part 1: General and guidance
EN 60793-2-70:2017 Optical fibres - Part 2-70: Product specifications - Sectional specification for polarization-maintaining fibres
IEC 60793-1-48:2017 Optical fibres - Part 1-48: Measurement methods and test procedures - Polarization mode dispersion

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