A combined fiber bragg grating and interferometric based quasi-distributed sensor network

  • Authors:

  • Mehrdad Abolbashari;Awad S. Gerges;Faramarz Farahi

  • Affiliations:

  • Department of Physics and Optical Science, University of North Carolina, Charlotte, NC and Center for Optoelectronics and Optical Communications, University of North Carolina, Charlotte, NC;Department of Physics and Optical Science, University of North Carolina, Charlotte, NC and Center for Optoelectronics and Optical Communications, University of North Carolina, Charlotte, NC;Department of Physics and Optical Science, University of North Carolina, Charlotte, NC and Center for Optoelectronics and Optical Communications, University of North Carolina, Charlotte, NC

  • Venue:
  • HONET'09 Proceedings of the 6th international conference on High capacity optical networks and enabling technologies
  • Year:
  • 2009

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Abstract

A novel combined fiber Bragg grating (FBG) and interferometric based quasi-distributed sensor network is proposed and simulated. The sensor network consists of a series of FBGs used as wavelength selective mirrors and overlapped Michelson interferometers working at different wavelengths in a Sagnac loop make it possible to measure the changes in between the FBGs. The advantage of the system is that it combines the benefit of point measurement with FBG and the high sensitivity of long gauge interferometric sensors. This sensor network can be used to monitor some desired parameters like pressure, humidity and temperature in optical networks.