J. Phys. IV France
Volume 129, October 2005
Page(s) 189 - 191

J. Phys. IV France 129 (2005) 189-191

DOI: 10.1051/jp4:2005129040

Initial research of dual wavelength fibre optic perimeter sensor

M. Zyczkowski, M. Kondrat and W. Ciurapinski

Military University of Technology, Institute of Optoelectronics, Kaliski St. 2, 00-908 Warsaw, Poland

The dual wavelength fibre optic perimeter sensor bases on input signals measurements in an arrangement of fibre optic Michelson and Sagnac interferometers with a 3 $\times $ 3 coupler and two semiconductor lasers. For 3 km long sensor we obtained 20-50m resolution of determination of disturbance point.

© EDP Sciences 2005

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