Amplification of fibre Bragg grating reflectivity by post-writing exposure with a 193 nm ArF laser
- 7 July 1994
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 30 (14), 1133-1134
- https://doi.org/10.1049/el:19940780
Abstract
The reflectivity of weak in-fibre gratings (a few percent reflectivity) written by an ArF laser illuminated phase mask can be dramatically enhanced (reaching ≥ 95%) by subsequent exposure using a uniform ArF laser beam. This new effect offers the possibility of post-writing control of grating properties.Keywords
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