Title :
Spatial filtering method of oblique slit for measurement of refractive-index profile of optical-fibre preforms
Author :
Skok, P. ; Miler, M.
Author_Institution :
Technical University, Faculty of Mechanical Engineering, Ko¿ice, Czechoslovakia
Abstract :
A simple nondestructive spatial filtering method for determination of the refractive-index profile of preforms is presented. The method works without any moving parts and can directly display the deflection function.
Keywords :
optical fibres; refractive index measurement; deflection function; nondestructive spatial filtering method; oblique slit; optical-fibre preforms; refractive-index profile;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870607
