Title :
Measurement of refractive-index profile of optical-fibre preform by means of spatial filtering
Author :
Peri, Daniele ; Chu, P.L.
Author_Institution :
Technion - Israel Institute of Technology, Faculty of Electrical Engineering, Haifa, Israel
Abstract :
It is shown that a slit with appropriately designed width can be used as a spatial filter to yield the optimum resolution in the measurement of the deflection function of an optical-fibre preform
Keywords :
optical fibres; refractive index measurement; spatial filters; deflection function measurement; optical-fibre preform; optimum resolution; refractive index profile measurement; spatial filtering;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19810260
