Title :
Fabrication and characterisation of circularly birefringent helical fibres
Author_Institution :
University of Southampton, Department of Electronics & Computer Science, Southampton, UK
Abstract :
A technique for fabricating helical-core circularly birefringent fibres is reported. Extremely high levels of circular birefringence are achieved (B = 2.1 × 10-4 at 633 nm). Because of its unique structure, this fibre remains single-mode up to V values of 25.
Keywords :
optical fibres; 633 nm; characterisation; circularly birefringent helical fibres; fabrication; helical-core circularly birefringent fibres; levels of circular birefringence; operation; polarisation maintaining fibres; single mode optical fibres; structure;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870037
