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Reflection-based fiber specklegram sensor

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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Authorship: Rodriguez-Cobo L., Lomer M., Ruiz-Lombera R., Cobo A., Lopez-Higuera J.,

Congress: European Workshop on Optical Fibre Sensors (6º : 2016 : Limerick, Irlanda)

Publisher: SPIE Society of Photo-Optical Instrumentation Engineers

Year of publication: 2016

No. of pages: 4

Publication type: Conference object

DOI: 10.1117/12.2235687

ISSN: 0277-786X,1996-756X

Spanish project: TEC2013-47264-C2-1-R

Publication Url: https://doi.org/10.1117/12.2235687

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Authorship

LUIS RODRIGUEZ COBO

MAURO MATIAS LOMER BARBOZA

RUBEN RUIZ LOMBERA

ADOLFO COBO GARCIA

JOSE MIGUEL LOPEZ HIGUERA

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