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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 25 — Sep. 1, 2003
  • pp: 5040–5045

Transparent Network for Hybrid Multiplexing of Fiber Bragg Gratings and Intensity-Modulated Fiber-Optic Sensors

Silvia Abad, Francisco M. Araújo, Luis Alberto Ferreira, José Luís Santos, and Manuel López-Amo  »View Author Affiliations


Applied Optics, Vol. 42, Issue 25, pp. 5040-5045 (2003)
http://dx.doi.org/10.1364/AO.42.005040


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Abstract

A network for multiplexing fiber Bragg gratings (FBGs) and intensity-modulated fiber-optic sensors with no need to distinguish between the two kinds of sensor is proposed and experimentally demonstrated. Two FBG sensors and two intensity-modulated sensors are wavelength-division multiplexed; the electrical phase of the output signal is measured as a common parameter for both types of sensor. Furthermore, the intensity sensors become power referenced, and the FBG sensors are interrogated by a low-cost technique. Low cross talk is achieved by use of a tunable optical filter at the detector.

© 2003 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4230) Fiber optics and optical communications : Multiplexing
(230.1480) Optical devices : Bragg reflectors

Citation
Silvia Abad, Francisco M. Araújo, Luis Alberto Ferreira, José Luís Santos, and Manuel López-Amo, "Transparent Network for Hybrid Multiplexing of Fiber Bragg Gratings and Intensity-Modulated Fiber-Optic Sensors," Appl. Opt. 42, 5040-5045 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-25-5040


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References

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