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3 February 1999 Multiplexing of grating-based fiber sensors using broadband spectral coding
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The development of a new fiber Bragg grating multiplexing technique is reported. The technique is based on a twin Bragg grating sensor configuration and exploits a combination of wavelength- and frequency-domain multiplexing. We demonstrate that very weak Bragg gratings with reflexivity of approximately 0.5 percent or less can be efficiently used by this technique. Experimental results presented in the paper and theoretical estimates indicate that the interrogation of more than 100-element serial array sensor system is feasible.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mikhail G. Shlyagin, Serguei V. Miridonov, Diana Tentori-Santa-Cruz, Francisco J. Mendieta-Jimenez, and Vasilii V. Spirin "Multiplexing of grating-based fiber sensors using broadband spectral coding", Proc. SPIE 3541, Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII, (3 February 1999);

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