DIN EN 188000 : 1994

Cooperating organizations
National foreword
Foreword
Section one - General
1.1 Scope
1.2 Object
1.3 Definitions
1.4 Categories of optical fibres
1.5 Optical fibre properties
1.6 Preparation of samples
1.7 Categories of test and measuring methods
Section two - Measuring methods for dimensions
2.1 Object
2.2 Reference surface
2.3 Concentricity
2.4 Tolerances
2.5 Operational definitions
2.6 Method 101 - Refracted near field
2.7 Method 102 - Near field light distribution
2.8 Method 103 - Four concentric circles
2.9 Method 104 - Mechanical diameter measurement
2.10 Method 105 - Mechanical length measurement
2.11 Method 106 - Length measurement by delay measuring
                   of transmitted pulse and/or reflected
                   pulse
Section three - Measuring methods for mechanical
                characteristics
3.1 Object
3.2 Operational definitions
3.3 Physical defects
3.4 Method 201 - Optical fibre proof test
3.5 Method 202 - Tensile strength for short lengths of
                   optical fibres
3.6 Method 203 - Tensile strength for long lengths of
                   optical fibres
3.7 Method 204 - Abrasion
3.8 Method 205 - Visual inspection
3.9 Method 206 - Strippability
Section four - Measuring methods for transmission and
                optical characteristics
4.1 Object
4.2 Attenuation
4.3 Operational definitions
4.4 Description of attenuation measuring techniques
4.5 Method 301 - Cut-back technique
4.6 Method 302 - Insertion loss technique
4.7 Method 303 - Backscattering technique
4.8 Baseband modal response
4.9 Operational definitions
4.10 Description of baseband response measuring methods
4.11 Method 304 - Impulse response
4.12 Method 305 - Frequency response
4.13 Method 306 - Microbending sensitivity
4.14 Method 307 - Transmitted or radiated light power
4.15 Method 308 - Chromatic dispersion measurement of
                   optical fibres. The phase shift
                   method
4.16 Method 309 - Chromatic dispersion measurement by
                   spectral group delay measurement in
                   the time domain
4.17 Method 310 - Chromatic dispersion measurement of
                   optical fibres by the differential
                   phase shift measurement
4.18 Annex to chromatic dispersion measurements
4.19 Method 311 - Far field light distribution
4.20 Cut-off wavelength
4.21 Method 312 - Cut-off wavelength
4.22 Method 313 - Cable cut-off wavelength
4.23 Mode field diameter
4.24 Method 314 - Direct far-field scanning
4.25 Method 315 - Variable aperture method in the far-
                   field
4.26 Change in optical transmittance
4.27 Method 316 - Transmitted power monitoring
4.28 Method 317 - Backscattering monitoring
4.29 Method 318 - Macrobending sensitivity
Section five - Measuring methods for environmental
                characteristics
5.1 Object
5.2 Operational definitions
5.3 Method 401 - Temperature cycling
5.4 Method 402 - Contamination
5.5 Method 403 - Nuclear radiation
5.6 Method 404 - Stripping force stability
Section six - Packaging
6.1 Object
Section seven - Applicable tests for quality conformance
                inspection and qualification approval
(for future consideration)
Annex
A Informative
National annex NA (informative) Committees responsible

Establishes uniform requirements for the optical, geometrical, mechanical, transmission and environmental properties of optical fibre. Includes the following sections: measuring methods for dimensions; measuring methods for mechanical characteristics; measuring methods for transmission and optical characteristics; measuring methods for environmental characteristics. Also detailed tables.