Title :
Recording of efficient high-order Bragg reflectors in optical fibres by mask image projection and single pulse exposure with an excimer laser
Author :
Mihailov, S.J. ; Gower, M.C.
Author_Institution :
Exitech Ltd., Oxford
fDate :
4/29/1994 12:00:00 AM
Abstract :
A technique using high resolution mask projection for creating efficient Bragg grating reflectors in optical fibres by single excimer laser pulse exposure is described. Using a deep UV projection system with a large image field size and micrometre resolution, gratings with periods between 1 and 6 μm have been recorded in Ge-doped fused silica fibres that produce high order Bragg reflections in the wavelength range 1.43-1.65 μm
Keywords :
diffraction gratings; laser beam applications; optical fibre fabrication; optical images; 1.43 to 1.65 mum; Bragg grating reflectors; Ge-doped fused silica fibres; SiO2-GeO2; deep UV projection system; excimer laser; excimer laser pulse exposure; high order Bragg reflections; high resolution mask projection; high-order Bragg reflectors; large image field size; mask image projection; micrometre resolution; optical fibres; single pulse exposure;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19940508
