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|Title:||Simultaneous interrogation of interferometric and bragg grating sensors||Authors:||Kalli, Kyriacos
Johnson, David A.
Webb, David J.
|Issue Date:||1995||Publisher:||Spie Digital Library||Source:||Distributed and Multiplexed Fiber Optic Sensors V,22-23 June 1995,Munich, Germany||Abstract:||A new method for the simultaneous interrogation of conventional two-beam interferometers and Bragg grating sensors is proposed and demonstrated. An unbalanced Mach-Zehnder interferometer illuminated by a low coherence source is used to act as a wavelength tunable source for the grating and as a path matched filter for a Fizeau cavity. The technique gives high phase resolution. The grating sensor gave a dynamic strain resolution of ≈0.05 με/√Hz at 20 Hz and the interferometric resolution was better than 1 mrad/√Hz at 20 Hz, corresponding to an rms mirror displacement of 0.08 nm.||URI:||http://ktisis.cut.ac.cy/handle/10488/7406||DOI:||10.1117/12.219627||Rights:||© 1995 SPIE.|
|Appears in Collections:||Δημοσιεύσεις σε συνέδρια/Conference papers|
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