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Bragg grating fast tunable filter

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3 Author(s)
Iocco, A. ; Inst. of Appl. Opt., Swiss Federal Inst. of Technol., Lausanne ; Limberger, H.G. ; Salathe, R.P.

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

Published in:

Electronics Letters  (Volume:33 ,  Issue: 25 )