Title :
Tapered-beam expander for single-mode optical-fibre gap devices
Author :
Jedrzejewski, K.P. ; Martinez, Fabiola ; Minelly, John D ; Hussey, C.D. ; Payne, F.P.
Author_Institution :
University Southampton, Department of Electronics & Information Engineering, Southampton, UK
Abstract :
A simple practical and controllable beam expander can be constructed from a single-mode optical fibre which has been overjacketed in a capillary of lower refractive index and then tapered. The properties of such an expanded beam in a gap device are also investigated.
Keywords :
optical fibres; optical losses; optical waveguide components; capillary; refractive index; single-mode optical-fibre gap devices; tapered beam expander; transmission loss;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860073