A fiber optic vibration sensor based on Multimode Interference effects is demonstrated. Frequencies in the range from 0 to 2.5 kHz were measured with a difference exceeding 30dB between the main frequency and its harmonics.
© 2012 OSA
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors
J. R. Guzman-Sepulveda, I. Hernandez-Romano, M. Torres-Cisneros, and D. A. May-Arrioja, "Fiber Optic Vibration Sensor based on Multimode Interference Effects," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper JW2A.117.
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