Strain gradient chirp of fibre Bragg gratings
- 7 July 1994
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 30 (14), 1172-1174
- https://doi.org/10.1049/el:19940772
Abstract
A strain gradient in an optical fibre Bragg grating is realised by mounting the grating in a yielding, soft, medium (e.g. glue) such that tension applied to one end will be gradually relieved over a distance. This strain gradient results in a grating chirp that can be dynamically controlled by varying the applied tension.Keywords
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