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Optics Letters

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  • Vol. 36, Iss. 20 — Oct. 15, 2011
  • pp: 4059–4061

Ultralong 250 km remote sensor system based on a fiber loop mirror interrogated by an optical time-domain reflectometer

M. Bravo, J. M. Baptista, J. L. Santos, M. Lopez-Amo, and O. Frazão  »View Author Affiliations


Optics Letters, Vol. 36, Issue 20, pp. 4059-4061 (2011)
http://dx.doi.org/10.1364/OL.36.004059


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Abstract

A 253 km ultralong remote displacement sensor system based on a fiber loop mirror interrogated by a commercial optical time-domain reflectometer is proposed and experimentally demonstrated. The use of a fiber loop mirror increases the signal-to-noise ratio, allowing the system to interrogate sensors placed 253 km away from the monitoring system without using any optical amplification. The displacement sensor was based on a long period grating spliced inside of the loop mirror, which modifies the mirror reflectivity accordingly to the applied displacement.

© 2011 Optical Society of America

OCIS Codes
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: August 15, 2011
Revised Manuscript: September 16, 2011
Manuscript Accepted: September 19, 2011
Published: October 12, 2011

Citation
M. Bravo, J. M. Baptista, J. L. Santos, M. Lopez-Amo, and O. Frazão, "Ultralong 250 km remote sensor system based on a fiber loop mirror interrogated by an optical time-domain reflectometer," Opt. Lett. 36, 4059-4061 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-20-4059


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References

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