Volanthen, M., Geiger, H., Cole, M.J., Laming, R.I. and Dakin, J.P.
Low coherence technique to characterise reflectivity and time delay as a function of wavelength within a long fibre grating
Electronics Letters, 32, (8), . (doi:10.1049/el:19960505).
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A new technique for obtaining both time delay and reflectivity as a fbnction of wavelength within a long fibre Bragg grating is presented. A narrowband wavelength-tunable reflector with 0.18nm bandwidth is used to select the interrogation wavelength, while optical coherence-domain reflectometry is used to obtain the time delay with better than 2ps accuracy.
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