Measurement of refractive-index profile of optical-fibre preform by means of spatial filtering

28 May 1981

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 17 (11) , 371-372
https://doi.org/10.1049/el:19810260

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

SPATIAL FILTERING
DEFLECTION FUNCTION MEASUREMENT
REFRACTIVE INDEX PROFILE MEASUREMENT
OPTICAL-FIBRE PREFORM
OPTIMUM RESOLUTION

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