Fabrication and characterisation of long, narrowbandfibre gratings by phase mask scanning
- 4 August 1994
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 30 (16) , 1341-1342
- https://doi.org/10.1049/el:19940852
Abstract
Fibre Bragg gratings up to 50 mm in length have been fabricated using a phase mask scanning technique. Reflectivities of up to 70% and linewidths as narrow as 0.029 nm have been measured. The fabrication technique lends itself to writing gratings with controllable length, chirp and shading.Keywords
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