Publication: Interrogation of Remote Intensity-Based Fiber-Optic Sensors Deploying Delay Lines in the Virtual Domain
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2012-10-14
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SPIE- The International Society for Optical Engineering
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Abstract
In this work a self-referencing intensity-based fiber-optic sensor using virtual instrumentation is presented. The use of virtual delay lines along with novel self-referencing techniques minimizing resolution and using a single frequency avoids all-optical or electrical-based delay lines approaches at reception. This solution preserves the self-referencing and performance characteristics of the proposed optical sensing topology, and leads to a more compact solution with higher flexibility for the multiple interrogation of remote sensing points. Results are presented for a displacement sensor demonstrating the concept feasibility.
Description
This proceeding at: 22nd International Conference on Optical Fibre Sensors (OFS-2012), took place in 2012 October, 14, in Chine.
Keywords
Fiber optics sensors, optical sensing, remote sensing, sensors, passive remote sensing, self-referencing, digital filter, virtual delay line.
Bibliographic citation
Proceedings SPIE 8421, OFS2012, 22nd International Conference on Optical Fiber Sensors. (2012) pp. 1-4