High-reflectivity surface-relief gratings in single-mode optical fibres

1 January 1987

journal article
Published by Institution of Engineering and Technology (IET) in IEE Proceedings J Optoelectronics

Vol. 134 (3) , 197-202
https://doi.org/10.1049/ip-j.1987.0035

Abstract

The design, fabrication and experimental characterisation of surface-relief gratings in single-mode optical fibres are described. Novel structures employing high-refractive-index over-layers are discussed with which reflectivities up to 98% and linewidths down to 0.8 nm at the first-order Bragg wavelength have been achieved. Applications of these structures are described.

Keywords

SINGLE-MODE OPTICAL FIBRES
HIGH-REFRACTIVE-INDEX OVERLAYERS
FIRST-ORDER BRAGG WAVELENGTH
LINEWIDTHS
HIGH REFLECTIVITY SURFACE RELIEF GRATINGS
DESIGN
FABRICATION

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