Multiplexing of large-scale FBG arrays using a two-dimensional spectrometer

Steve Chen; Yigun Hu; Lin Zhang; Ian Bennion

doi:10.1117/12.316980

21 July 1998 Multiplexing of large-scale FBG arrays using a two-dimensional spectrometer

Steve Chen, Yigun Hu, Lin Zhang, Ian Bennion

Proceedings Volume 3330, Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials; (1998) https://doi.org/10.1117/12.316980
Event: 5th Annual International Symposium on Smart Structures and Materials, 1998, San Diego, CA, United States

Abstract

The development of a new fiber Bragg grating (FBG) multiplexing technique is reported. The technique is based on a special 2D spectrometer and is potentially capable of interrogate near 2000 FBGs at high speed and in a random fashion, i.e. each FBG in the sensor array can be addressed at different sample rates ranging from 0 to several tens of kilohertz. The operating principle of the technique is presented with its potential performance indicators analyzed by theoretical calculation and computer simulation. Preliminary experimental result using an off-the-shelf spectrometer are also included in the paper.

Citation Download Citation

Steve Chen, Yigun Hu, Lin Zhang, and Ian Bennion "Multiplexing of large-scale FBG arrays using a two-dimensional spectrometer", Proc. SPIE 3330, Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (21 July 1998); https://doi.org/10.1117/12.316980

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