Title :
Measurement of the numerical aperture of a step-index optical fibre
Author :
Jeunhomme, L. ; Pocholle, J.P.
Author_Institution :
Centre de Recherches de la Compagnie Générale d´ Ã\x89lectricité, Laboratoires de Marcoussis, Marcoussis, France
Abstract :
We describe a simple method for measuring the numerical aperture of a step-index fibre. The value obtained by this method depends only on the index difference between the core and cladding, and it is then possible deduce the index difference from this measurement.
Keywords :
fibre optics; refractive index measurement; cladding; core; index difference; numerical aperture; step index optical fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19760052
