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Proceedings Paper

Reflection-based fiber specklegram sensor
Author(s): L. Rodriguez-Cobo; M. Lomer; R. Ruiz-Lombera; A. Cobo; J. M. Lopez-Higuera
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Paper Abstract

In this paper, a Fiber Specklegram Sensor (FSS) based on Plastic Optical Fiber (POF) has been proposed with a reflection-based configuration. A HeNe laser is launched through a coupler, reflected by a mirrored fiber end and detect the specklegram sequence using a commercial camera. Different sensor performance metrics have been analyzed in terms of final sensitivity to external vibration applied to the fiber. The results confirm the performance reduction of the reflection-based scheme in comparison with the transmission-based approach but it can be also employed as sensing system where only a single fiber end is available.

Paper Details

Date Published: 30 May 2016
PDF: 4 pages
Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99161Q (30 May 2016); doi: 10.1117/12.2235687
Show Author Affiliations
L. Rodriguez-Cobo, Univ. de Cantabria (Spain)
M. Lomer, Univ. de Cantabria (Spain)
R. Ruiz-Lombera, Univ. de Cantabria (Spain)
A. Cobo, Univ. de Cantabria (Spain)
J. M. Lopez-Higuera, Univ. de Cantabria (Spain)

Published in SPIE Proceedings Vol. 9916:
Sixth European Workshop on Optical Fibre Sensors
Elfed Lewis, Editor(s)

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