Title :
Effective refractive index and range of monomode operation for W-fibres
Author :
Hussey, C.D. ; Fornel, F. De
Author_Institution :
University of Southampton, Department of Electronics, Southampton, UK
Abstract :
Through the concept of `the effective refractive index¿ of a step-index W-fibre, we can define, in a very simple manner, lower bounds on the normalised cutoff frequencies of the fundamental and second modes of that particular fibre. This allows us to specify the `normalised range of monomode operation¿ which for most W-fibres has a constant value of 1.427.
Keywords :
optical fibres; optical waveguide theory; effective refractive index; fundamental mode; lower bounds; monomode fibres; normalised cutoff frequencies; optical fibres; optical waveguide theory; range of monomode operation; second modes; step-index W-fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840235
