Table of Contents

FOREWORD<br>1 Scope<br>2 Normative references<br>3 Overview of method<br>4 Reference test method<br>5 Apparatus<br>6 Sampling and specimens<br>7 Procedure<br>8 Calculations<br>9 Results<br>10 Specification information<br>Annex A (informative) - Mapping NA measurement to<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;alternative lengths<br>Annex B (normative) - Product specific default values for<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NA measurement<br>Annex ZA (normative) - Normative references to <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;international publications with their corresponding <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European publications

Abstract

Defines uniform requirements for measuring the numerical aperture of optical fibre, thereby assisting in the inspection of fibres and cables for commercial purposes.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	GEL/86/1
Supersedes	13/30285351 DC : 0 98/262949 DC : AUG 98