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Large-scale arrays of interferometric fibre-optic sensors for applications in military surveillance and seismic surveying

We investigate the performance of a large-scale array of interferometric sensors using time and dense wavelength division multiplexing. By consideration of the noise sources in the system and the bandwidths available for the signals to occupy we have calculated the signal resolution and dynamic range expected from a single sensor. A discussion on the potential applications for these arrays is also given.