Wavelength-tunable single-mode fibre grating reflector
- 20 November 1986
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 22 (24) , 1307-1308
- https://doi.org/10.1049/el:19860896
Abstract
An optical fibre grating filter is demonstrated that has broad wavelength tuning capability for the back-reflected guided wave. A novel “fan”-shaped diffraction grating is used for this device in which the period varies continuously with position along its length. A 3 dB reflection bandpass of 0.8 nm that is tunable over a wavelength range from 1.46 to 1.54 μm has been observed.Keywords
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