Title :
Constant fluorescence during phase grating formation and defect band bleaching in optical fibres under 5.1 eV laser exposure
Author :
Mizrahi, V. ; Atkins, R.M.
Author_Institution :
AT&T Bell Labs., Murray Hill, NJ, USA
Abstract :
The UV laser-induced bleaching of the 5.1 eV defect absorption band in optical fibres is correlated with photosensitive grating formation. No significant change in the 3.1 eV fluorescence is observed on this same time scale.
Keywords :
diffraction gratings; fluorescence; impurity and defect absorption spectra of inorganic solids; optical fibres; optical saturable absorption; 5.1 eV; SiO 2:GeO 2 fibres; UV laser-induced bleaching; defect absorption band; defect band bleaching; fluorescence; optical fibres; phase grating formation; photosensitive grating;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921420
