Wavelength domain multiplexed fiber specklegram sensor

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URI: http://hdl.handle.net/10902/6451
ISSN: 1996-756X
ISSN: 0277-786X
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Autoría
Rodríguez Cobo, LuisAutoridad Unican; Lomer Barboza, Mauro MatíasAutoridad Unican; Cobo García, AdolfoAutoridad Unican; Real Peña, EusebioAutoridad Unican; López Higuera, José MiguelAutoridad Unican
Fecha
2014
Derechos
© 2014 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print 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, 2014, vol. 9157, 91579K
23rd International Conference on Optical Fibre Sensors, Santander, 2014
Editorial
SPIE Society of Photo-Optical Instrumentation Engineers
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Palabras clave
Fiber specklegram sensor
Polymer optical fiber
WDM
Resumen/Abstract
In this work, a low-cost WDM interrogation system has been proposed and experimentally tested to obtain twoindependent channels of a fiber specklegram sensor. Two lasers of different wavelengths have been launched into twomultimode Polymer Optical Fibers (POFs) and then combined through a coupler before their interrogation using a RBGcamera. By analyzing each color of the video sequence, the two fiber channels can be independently obtained. Besides,the speckle sensitivity has been also studied by analyzing different properties of speckle patterns such as their contrast orthe speckle size. The achieved results help to the development of new fiber specklegram sensors by allowing a directcomparison between two specklegrams of different properties.
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