Integrating Fiber Optic Vibration Sensor

P. Martin; G. Le Boudec; L. B. Jeunhomme

doi:10.1117/12.948879

1 February 1989 Integrating Fiber Optic Vibration Sensor

P. Martin, G. Le Boudec, L. B. Jeunhomme

Proceedings Volume 0985, Fiber Optic and Laser Sensors VI; (1989) https://doi.org/10.1117/12.948879
Event: O-E/Fiber LASE '88, 1988, Boston, MA, United States

Abstract

The physical phenomenon behind the sensor described in this paper is related to the modulation of the speckle pattern, at the output end of a multimode fiber illuminated by coherent light, when the fiber is mechanically or acoustically disturbed. This effect is observed either when highly multimode fibers or two-mode fibers are used. In the latter case a demodulation technique is proposed to restore a signal proportional to the acoustical excitation

Citation Download Citation

P. Martin, G. Le Boudec, and L. B. Jeunhomme "Integrating Fiber Optic Vibration Sensor", Proc. SPIE 0985, Fiber Optic and Laser Sensors VI, (1 February 1989); https://doi.org/10.1117/12.948879

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