Reflection-based fiber specklegram sensor

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URI: http://hdl.handle.net/10902/10804
ISSN: 0277-786X
ISSN: 1996-756X
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Autoría
Rodríguez Cobo, LuisAutoridad Unican; Lomer Barboza, Mauro MatíasAutoridad Unican; Ruiz Lombera, RubénAutoridad Unican; Cobo García, AdolfoAutoridad Unican; López Higuera, José MiguelAutoridad Unican
Fecha
2016
Derechos
Copyright 2016 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Publicado en
Proceedings of SPIE, 2016, 9916, 99161Q
Sixth European Workshop on Optical Fibre Sensors, Limerick, Ireland, 2016
Editorial
SPIE Society of Photo-Optical Instrumentation Engineers
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Palabras clave
Speckle
POF
Sensor
Reflection
Vibration
Sensitivity
Resumen/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.
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