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  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper CMZ4

Large-scale FBG sensors utilizing code division multiplexing

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Abstract

We propose and demonstrate a practical low-cost interrogation system for large scale FBG sensor arrays utilizing code division multiplexing (CDM). Using our proposed system which is based on the correlation property of the CDM code, we can interrogate all the sensors simultaneously. For a 100-sensor system, the sensor detection speed can increase 250 times comparing with TDM based scheme without compromise on detection accuracy

© 2008 Optical Society of America

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