Quantitative Deformation And Vibration Analysis By Means Of A New 3D-Interferometer

V. Grosser; J. Vogel; D. Vogel; R. Hoefling; Ch. Bombach

doi:10.1117/12.963857

12 April 1990 Quantitative Deformation And Vibration Analysis By Means Of A New 3D-Interferometer

V. Grosser, J. Vogel, D. Vogel, R. Hoefling, Ch. Bombach

Proceedings Volume 1183, Holography '89; (1990) https://doi.org/10.1117/12.963857
Event: Holography '89, 1989, Varna, Bulgaria

Abstract

A 3D-interferometer equipped with four different directions of object illumination has been developed to analyze quantitatively in a first step the object surface shape and the interferometer geometry used as well as in a second step the displacement or vibration amplitude fields of mechanically loaded elements. The combination of the interference phase evaluation by digital image processing leads to a justifiable calculation time and a higher accuracy of the measuring results. First experience are described by example of synthetic interferograms concerning the determination of the object shape and the measuring accuracy of a definite rigid body displacement. Besides that, the measurement of the vibration amplitude field of an ultrasonic transducer is outlined.

Citation Download Citation

V. Grosser, J. Vogel, D. Vogel, R. Hoefling, and Ch. Bombach "Quantitative Deformation And Vibration Analysis By Means Of A New 3D-Interferometer", Proc. SPIE 1183, Holography '89, (12 April 1990); https://doi.org/10.1117/12.963857

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