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Sensors 2013, 13(5), 5870-5880; doi:10.3390/s130505870
Article

Remote Interrogation of WDM Fiber-Optic Intensity Sensors Deploying Delay Lines in the Virtual Domain

*  and
Received: 6 March 2013; in revised form: 9 April 2013 / Accepted: 3 May 2013 / Published: 7 May 2013
(This article belongs to the Special Issue Optomechatronics)
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Abstract: In this work a radio-frequency self-referencing WDM intensity-based fiber-optic sensor operating in reflective configuration and using virtual instrumentation is presented. The use of virtual delay lines at the reception stage, along with novel flexible self-referencing techniques, and using a single frequency, avoids all-optical or electrical-based delay lines approaches. This solution preserves the self-referencing and performance characteristics of the proposed WDM-based optical sensing topology, and leads to a more compact solution with higher flexibility for the multiple interrogation of remote sensing points in a sensor network. Results are presented for a displacement sensor demonstrating the concept feasibility.
Keywords: optical sensing; passive remote sensing; self-referencing; virtual delay line optical sensing; passive remote sensing; self-referencing; virtual delay line
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Montero, D.S.; Vázquez, C. Remote Interrogation of WDM Fiber-Optic Intensity Sensors Deploying Delay Lines in the Virtual Domain. Sensors 2013, 13, 5870-5880.

AMA Style

Montero DS, Vázquez C. Remote Interrogation of WDM Fiber-Optic Intensity Sensors Deploying Delay Lines in the Virtual Domain. Sensors. 2013; 13(5):5870-5880.

Chicago/Turabian Style

Montero, David S.; Vázquez, Carmen. 2013. "Remote Interrogation of WDM Fiber-Optic Intensity Sensors Deploying Delay Lines in the Virtual Domain." Sensors 13, no. 5: 5870-5880.


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