Holographic-Interferometric Studies On The Damped Axially Symmetric Resonant Vibrations Of A Finite Isotropic Cylinder

J. Rendl; R. Rohler; C. Sieger

doi:10.1117/12.934887

13 December 1983 Holographic-Interferometric Studies On The Damped Axially Symmetric Resonant Vibrations Of A Finite Isotropic Cylinder

J. Rendl, R. Rohler, C. Sieger

Author Affiliations +

Proceedings Volume 0370, Holographic Data Nondestructive Testing; (1983) https://doi.org/10.1117/12.934887
Event: Holographic Data Nondestructive Testing, 1982, Dubrovnik, Croatia

Abstract

To get quantitative information about principal aspects of the near-field propagation of sound in bone conduction, model experiments were performed with transparent silicon rubber as a vibrating material. Using the transparent silicon rubber instead of the bone itself made it possible to measure amplitudes and phases on interior planes of a solid medium of finite extent. To this end several holographic techniques were employed, among them speckle interferometry for analysing in-plane vibrations. A theory was developed which describes the basic features of wave propagation and shows the influence of the viscosity of the material on propagation behaviour. The application of the results on pracitcal audiometry will be discussed.

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J. Rendl, R. Rohler, and C. Sieger "Holographic-Interferometric Studies On The Damped Axially Symmetric Resonant Vibrations Of A Finite Isotropic Cylinder", Proc. SPIE 0370, Holographic Data Nondestructive Testing, (13 December 1983); https://doi.org/10.1117/12.934887

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KEYWORDS

Silicon

Wave propagation

Bone

Solids

Holography

Aluminum

Phase measurement

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