BS EN 60793-1-45:2003

Superseded

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Optical fibres Measurement methods and test procedures - Mode field diameter

Available format(s)

Hardcopy , PDF

Superseded date

02-22-2018

Language(s)

English

Published date

04-26-2004

Publisher

British Standards Institution

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
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

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.

Establishes requirements for measuring the mode field diameter (MFD) of fibres. Four methods are described: (a) direct far-field scan: (b) variable aperture in the far field: (c) near-field scan: (d) bi-directional backscatter using an optical time domain reflectometer. All four methods apply to type B single-mode fibres, operating near 1310 nm or 1550 nm. The contents of the corrigendum of July 2002 have been included in this copy.

Committee	GEL/86/1
DevelopmentNote	Partially supersedes BS EN 188000 Supersedes 98/262951 DC (05/2004)
DocumentType	Standard
Pages	34
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN IEC 60793-1-45:2018 BS EN 60793-1-20:2014
Supersedes	BS EN 188000:1994 98/262951 DC : DRAFT AUG 1998

Standards	Relationship
IEC 60793-1-45:2017	Identical
I.S. EN 60793-1-45:2004	Identical
IEC 60793-1-45 : 2.0	Identical
NF EN 60793-1-45 : 2004	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

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BS EN 60793-1-45:2003

Optical fibres Measurement methods and test procedures - Mode field diameter

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory