Title :
Mechanical strength characteristics of tin-codoped germanosilicate fibre Bragg gratings by writing through UV-transparent coating
Author :
Imamura, K. ; Nakai, T. ; Moriura, K. ; Sudo, Y. ; Imada, Y.
Author_Institution :
Dept. of Electron. & Commun. Res., Mitsubishi Cable Ind. Ltd., Hyogo, Japan
fDate :
5/14/1998 12:00:00 AM
Abstract :
A Bragg grating reflector was fabricated through the coating with a centre wavelength of 1544.5 nm, and a peak reflectivity of 100%. Breaking strength of this grating was 61.05 N (4.97 GPa) at a rate of 1% strain/min. The change in the modulus of the coating layer was within 20%
Keywords :
diffraction gratings; germanium compounds; mechanical strength; optical fibre fabrication; silicon compounds; tin; 1544.5 nm; Bragg grating reflector fabrication; GeO2-SiO2:Sn; Sn-codoped germanosilicate fibre; UV-transparent coating; breaking strength; fibre Bragg gratings; mechanical strength characteristics;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19980702