Chirping optical fibre Bragg gratings using tapered-thickness piezoelectric ceramic
- 1 January 1998
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 34 (24), 2348-2350
- https://doi.org/10.1049/el:19981637
Abstract
A new technique is reported for producing variable chirping by a uniform optical fibre Bragg grating. The chirp is obtained by applying a strain gradient through the use of a tapered-thickness piezoelectric ceramic. The grating bandwidth has been increased from ~0.15 to ~0.34 nm with a ratio of ~0.415 pm/V.Keywords
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