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Double-pass configured fibre Mach-Zehnder interferometric optical filter for distributed fibre sensing

By K. de Souza, P.C. Wait and T.P. Newson


A double-pass configured all-fibre Mach-Zehnder interferometric optical filter has been developed and used in a distributed fibre-optic sensor for separation of Rayleigh and Brillouin signals. Its superior performance over a single-pass all-fibre Mach-Zehnder interferometer is highlighted by its 15dB improved rejection of the Rayleigh signal and comparable throughput

Topics: QC, TK
Year: 1997
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Provided by: e-Prints Soton

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