Photorefractive Volume Holographic Demodulation of In-Fiber Bragg Grating Sensors
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Authors
James, Stephen W.
Dockney, Michael L.
Tatam, Ralph P.
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1041-1135
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James, S.W.; Dockney, M.L.; Tatam, R.P.; Photorefractive volume holographic
demodulation of in-fiber Bragg grating sensors. IEEE Photonics Technology
Letters, IEEE Volume 8, Issue 5, May 1996 Page(s):664 - 666
Abstract
A demodulation scheme for an in-fiber Bragg grating sensor using a volume holographic filter formed in photorefractive BaTiO3 is proposed and demonstrated. A strain range of 2500 μstrain, with minimum detectable strain of 4 μstrain/√Hz, is measured. Extension of the technique to allow demodulation of arrays of sensors is discus