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Tunable Gaussian filter based on tapered liquid crystal photonic bandgap fibre

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3 Author(s)
Scolari, L. ; COM.DTU, Tech. Univ. of Denmark, Lyngby ; Alkeskjold, T.T. ; Bjarklev, A.

A tunable Gaussian filter based on a tapered liquid crystal photonic bandgap fibre is presented. The filter is centred at lambda=1062 nm and has a 3 dB bandwidth of 150 nm. Tunability is achieved by exploiting the thermo-optic effect of the liquid crystals. A shift of 110 nm at the central wavelength is observed by increasing the temperature from 30 to 80degC

Published in:

Electronics Letters  (Volume:42 ,  Issue: 22 )