Title :
Measurement of refractive-index profiles in optical-fibre preforms by spatial-filtering technique
Author :
Sasaki, Innan ; Payne, David N. ; Adams, M.J.
Author_Institution :
University of Southampton, Department of Electronics, Southampton, UK
Abstract :
A nondestructive technique based on spatial filtering is presented for measuring the refractive-index profile in an optical-fibre preform. The method is simple, accurate and has sufficient resolution to enable detailed profiles of single-mode preforms to be obtained.
Keywords :
nondestructive testing; optical fibres; quality control; NDT; nondestructive technique; optical fibre preforms; optical fibres; refractive index profiles measurement; single mode preforms; spatial filtering technique;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800157
