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Proceedings Paper

Fiber-optic intrusion detection sensor for physical security system
Author(s): Tatsuya Kumagai; Shinobu Sato; Wataru Ohnuki; Teruyuki Nakamura
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Paper Abstract

The use of physical security technologies are becoming important to prevent intruders from stealing or vandalizing property, and leaking personal information, as well as to secure personal safety. At many important facilities, fences are installed along the boundary of the premises to prevent any intrusion. Vibration sensors need to be easily fixed to the fences even around intricately shaped premises for monitoring a wide range of areas. We have proposed and implemented a vibration sensor integrated with optical fiber and an optical interference system. To prevent any false or missing alarms, we have also investigated a signal processing system that can be used to judge whether an alarm is triggered by a natural phenomenon, small animals, or human intrusion.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775331 (17 May 2011); doi: 10.1117/12.883338
Show Author Affiliations
Tatsuya Kumagai, Hitachi Cable, Ltd. (Japan)
Shinobu Sato, Hitachi Cable, Ltd. (Japan)
Wataru Ohnuki, Hitachi Cable, Ltd. (Japan)
Teruyuki Nakamura, Hitachi Cable, Ltd. (Japan)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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