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

Steve Chen, Yigun Hu, Lin Zhang, Ian Bennion, Richard O. Claus, William B. Spillman, Jr.

Research output: Contribution to journalConference articlepeer-review

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.
Original languageEnglish
Pages (from-to)245-252
JournalProceedings of SPIE - International Society for Optical Engineering
Volume3330
DOIs
Publication statusPublished - 21 Jul 1998
Event5TH ANNUAL INTERNATIONAL SYMPOSIUM ON SMART STRUCTURES AND MATERIALS - San Diego, United States
Duration: 1 Mar 19985 Mar 1998

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