Interrogation of remote intensity-based fiber-optic sensors deploying delay lines in the virtual domain

D. S. Montero; C. Vázquez

doi:10.1117/12.968580

7 November 2012 Interrogation of remote intensity-based fiber-optic sensors deploying delay lines in the virtual domain

D. S. Montero, C. Vázquez

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84218B (2012) https://doi.org/10.1117/12.968580
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

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.

Citation Download Citation

D. S. Montero and C. Vázquez "Interrogation of remote intensity-based fiber-optic sensors deploying delay lines in the virtual domain", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84218B (7 November 2012); https://doi.org/10.1117/12.968580

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