Title :
Efficient grating writing through fibre coating with femtosecond IR radiation and phase mask
Author :
Mihailov, S.J. ; Grobnic, D. ; Smelser, C.W.
Author_Institution :
Commun. Res. Centre Canada, Ont.
Abstract :
Bragg gratings have been written through the polymer coating into hydrogen loaded SMF-28 fibres with ultrafast 800 nm radiation and a phase mask. Index modulations of up to 3.5times10-4 were induced with fibre strengths remaining at ~85% of the pristine fibre value
Keywords :
Bragg gratings; high-speed optical techniques; laser materials processing; optical fibre fabrication; 800 nm; Bragg gratings; femtosecond IR radiation; fibre coating; grating writing; hydrogen loaded SMF-28 fibres; phase mask; polymer coating; ultrafast radiation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20070114