Quantitative measurement of in-plane acoustic field components using surface-mounted fiber sensors

Richard O. Claus; Rajat R. Dhawan; Michael F. Gunther; Kent A. Murphy

doi:10.1117/12.141310

26 March 1993 Quantitative measurement of in-plane acoustic field components using surface-mounted fiber sensors

Richard O. Claus, Rajat R. Dhawan, Michael F. Gunther, Kent A. Murphy

Proceedings Volume 1798, Fiber Optic Smart Structures and Skins V; (1993) https://doi.org/10.1117/12.141310
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

Extrinsic Fabry-Perot interferometric sensors have been used to obtain calibrated, quantitative measurements of the in-plane displacement components associated with the propagation of ultrasonic elastic stress waves on the surfaces of solids. The frequency response of the sensor is determined by the internal spacing between the two reflecting fiber endface surfaces which form the Fabry-Perot cavity, a distance which is easily controlled during fabrication. With knowledge of the material properties of the solid, the out-of-plane displacement component of the wave may also be determined, giving full field data.

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Richard O. Claus, Rajat R. Dhawan, Michael F. Gunther, and Kent A. Murphy "Quantitative measurement of in-plane acoustic field components using surface-mounted fiber sensors", Proc. SPIE 1798, Fiber Optic Smart Structures and Skins V, (26 March 1993); https://doi.org/10.1117/12.141310

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