19 April 2007 A wavelength multiplexed interferometric inertial sensor network for nondestructive evaluation and distributed monitoring
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Abstract
The Fabry-Perot Interferometer based accelerometer is proposed for use in fiber optic sensor networks. Despite the potential for high performance in the detection of vibrations, previously such sensors had limited use in these networks. Since the sensor operates as an optical transmission loss filter, simple serial network implementations are difficult. However, by forming the optical resonance cavity of the sensor with wavelength dependent reflective surfaces, a simply serialized network of sensor can be demonstrated through the wavelength division multiplexing of the interferometric signal fringes. This paper summarizes the concept and experimentally demonstrates and evaluated the serialization of two acceleration sensors.
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Maximillian A. Perez, Andrei M. Shkel, "A wavelength multiplexed interferometric inertial sensor network for nondestructive evaluation and distributed monitoring", Proc. SPIE 6531, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2007, 65310B (19 April 2007); doi: 10.1117/12.715869; https://doi.org/10.1117/12.715869
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