Bragg grating fast tunable filter
- 4 December 1997
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 33 (25) , 2147-2148
- https://doi.org/10.1049/el:19971466
Abstract
A fast tunable optical filter based on Bragg grating compression is realised using a piezoelectric stack actuator. A setting time of < 2 ms over a 15 nm tuning range has been achieved. Tuning does not affect the reflectivity, shape or bandwidth of the central Bragg wavelength peak.Keywords
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