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Proceedings Paper

Improvement of sensitivity for hybrid fiber optic sensor for application in perimeter protection
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Paper Abstract

This paper presents ways to improve the sensitivity of the interferometric hybrid sensor. Hybrid interferometer is defined as a combination of modalmetric sensor and interferometer sensor. Hybrid interferometer is presented as an application to extensive security systems, where particular importance is the early detection of an intruder. Specification of the hybrid sensor is based on the phenomenon of outputting the interferometer from interference as a result of the disorder. Hybrid sensor sensitivity depends therefore on determine when the sensor leaves the interference. Improve the detection sensitivity can be increased by improving the contrast of interference pattern at the output of the interferometer by using polarization balance. This paper presents a preliminary study and the conclusions of using polarization balance in the hybrid interferometer system.

Paper Details

Date Published: 20 May 2013
PDF: 6 pages
Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87940U (20 May 2013); doi: 10.1117/12.2026097
Show Author Affiliations
M. Życzkowski, Military Univ. of Technology (Poland)
M. Szustakowski, Military Univ. of Technology (Poland)
P. Markowski, Military Univ. of Technology (Poland)
M. Karol, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 8794:
Fifth European Workshop on Optical Fibre Sensors
Leszek R. Jaroszewicz, Editor(s)

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