OPTICAL FIBRES - PART 1-47: MEASUREMENT METHODS AND TEST PROCEDURES - MACROBENDING LOSS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Specimen
6 Procedure
7 Calculations
8 Results
9 Specification information
Annex A (normative) - Change in transmittance by
transmitted power technique
Annex B (normative) - Cut-back technique
Annex C (normative) - Requirements for the optical
source characteristics for A
multimode measurement
Annex D (informative) - Small bend radius phenomena
Annex E (informative) - Parallel plate (2-point)
macrobend loss approximation
Bibliography
Provides two methods for measuring macrobending sensitivity: Method A - Fibre winding, pertains to class B single-mode fibres and category A1 multimode fibres and Method B - Quarter circle bends, pertains to category A3 and A4 multimode fibres.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 86 |
