I.S. EN 60793-1-45:2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
OPTICAL FIBRES - PART 1-45: MEASUREMENT METHODS AND TEST PROCEDURES - MODE FIELD DIAMETER
Hardcopy , PDF
27-02-2018
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Important note : Users cannot be edited or removed once added to your Multi user PDF.
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Reference test method
4 Apparatus
4.1 Light source
4.2 Input optics
4.3 Input positioner
4.4 Cladding mode stripper
4.5 High-order mode filter
4.6 Output positioner
4.7 Output optics
4.8 Detector
4.9 Computer
5 Sampling and specimens
5.1 Specimen length
5.2 Specimen end face
6 Procedure
7 Calculations
7.1 Method A - Direct far-field scan
7.2 Method B - Variable aperture in the far field
7.3 Method C - Near-field scan
8 Results
8.1 Information to be provided with each measurement
8.2 Information available upon request
9 Specification information
Annex A (normative) Requirements specific to method A -
Mode field diameter by direct far-field scan
Annex B (normative) Requirements specific to method B -
Mode field diameter by variable aperture in the
far field
Annex C (normative) Requirements specific to method C -
Mode field diameter by near-field scan
Annex D (normative) Requirements specific to method D -
Mode field diameter by optical time domain
reflectometer (OTDR)
Annex E (informative) Sample data sets and calculated values
Covers uniform requirements for measuring the mode field diameter (MFD) of optical fibre, thereby assisting in the inspection of fibres and cables for commercial purposes.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017) Partially Supersedes 1993 edition of I.S. EN 188000. (07/2017)
|
| DocumentType |
Standard
|
| Pages |
78
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| Standards | Relationship |
| NF EN 60793-1-45 : 2004 | Identical |
| BS EN 60793-1-45:2003 | Identical |
| DIN EN 60793-1-45 : 2004 | Identical |
| EN 60793-1-45 : 2018 | Identical |
| IEC 60793-2:2015 | Optical fibres - Part 2: Product specifications - General |
| EN 60793-1-40:2003 | Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation |
| IEC 60793-1-40:2001 | Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.