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Proceedings Paper

Fiber ringdown-beat pressure sensors
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Paper Abstract

In this paper, we propose and experimentally demonstrate a pressure sensor based on birefringent single mode fiber FP cavity using optical heterodyne. The proof of concept device consists of a light source, a polarizer controller, a modulator, a RF generator, a single mode fiber Fabry-Perot cavity, a strain inspector, an erbium doped fiber amplifier, a filter, a polarizer, an optical spectrum analyzer, and a digital communication analyzer. The dynamic range of the proposed sensor is explored. The results demonstrate the new concept of fiber pressure sensors and the technical feasibility for pressure measurements.

Paper Details

Date Published: 26 April 2008
PDF: 5 pages
Proc. SPIE 7003, Optical Sensors 2008, 70031J (26 April 2008);
Show Author Affiliations
Haiyan Chen, Yangtze Univ. (China)
Qing Wang, College of Optical Sciences, Univ. of Arizona (United States)
Tuomo von Lerber, LuxDyne (Finland)
Seppo Honkanen, Helsinki Univ. of Technology (Finland)
Franko Kueppers, College of Optical Sciences, Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 7003:
Optical Sensors 2008
Francis Berghmans; Patrick P. Meyrueis; Thomas P. Pearsall; Anna Grazia Mignani; Antonello Cutolo, Editor(s)

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