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Proceedings Paper

A fiber laser hydrophone
Author(s): Scott Foster; Alexei Tikhomirov; Mark Milnes; John van Velzen; Graham Hardy
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Paper Abstract

A new fibre optic hydrophone based on a distributed feedback fibre laser (DFB FL) sensor is described. The sensor is designed to achieve ocean noise limited pressure sensitivity. Unlike previous fibre laser acoustic sensors, this device is acceleration insensitive making it less susceptible to vibrational noise. Experimental results for one implementation of the sensor are presented.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005);
Show Author Affiliations
Scott Foster, Defence Science and Technology Organisation (Australia)
Alexei Tikhomirov, Defence Science and Technology Organisation (Australia)
Mark Milnes, Defence Science and Technology Organisation (Australia)
John van Velzen, Defence Science and Technology Organisation (Australia)
Graham Hardy, Thales Underwater Systems Pty Ltd. (Australia)


Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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