DocumentCode
1044920
Title
248 nm induced vacuum UV spectral changes in optical fibre preform cores: support for a colour centre model of photosensitivity
Author
Atkins, R.M. ; Mizrahi, V. ; Erdogan, T.
Author_Institution
AT&T Bell Labs., Murray Hill, NJ, USA
Volume
29
Issue
4
fYear
1993
Firstpage
385
Lastpage
387
Abstract
UV (248 nm) induced changes in the UV spectrum (165-300 nm) of optical fibre preform cores have been measured which can account for refractive index changes observed on writing Bragg gratings in optical fibres. The changes are thermally reversed at 900 degrees C. A fibre grating has been thermally erased and rewritten with no significant change in fibre photosensitivity.
Keywords
colour centres; diffraction gratings; optical fibres; photorefractive effect; refractive index; ultraviolet spectra of inorganic solids; 165 to 300 nm; 248 nm; 900 degC; Bragg gratings; UV spectrum; colour centre model; fibre grating; optical fibre preform cores; phase gratings; photosensitivity; refractive index changes; thermal erasure; vacuum UV spectral changes;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19930259
Filename
274793
Link To Document