Title :
Simple characterisation factor for practical single-mode fibres
Author :
Gambling, W.A. ; Matsumura, Hiroshi
Author_Institution :
University of Southampton, Department of Electronics, Southampton, UK
Abstract :
The spot size of the HE11 mode in a practical single-mode fibre mainly depends on the numerical aperture and not on the normalised frequency. An alternative definition of spot size in terms of a matching Gaussian beam is much simpler to use.
Keywords :
optical fibres; HE11 mode; characterisation factor; matching Gaussian beam; single mode fibre; spot size;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19770489
