Optical-fibre spectrum analyser
- 18 January 1990
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 26 (2) , 117-118
- https://doi.org/10.1049/el:19900080
Abstract
A Fourier transform optical spectrum analyser is described which uses the stretching of a polarisation-maintaining optical fibre as the scanning element. Delay scans of 15 mm have been achieved in 50 ms allowing a resolution bandwidth of 10 GHz. Future systems with greatly improved resolution are envisaged.Keywords
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