Vibration Studies Using Heterodyne Hologram Interferometry

Ryszard J. Pryputniewicz

doi:10.1117/12.947681

14 December 1988 Vibration Studies Using Heterodyne Hologram Interferometry

Ryszard J. Pryputniewicz

Proceedings Volume 0955, Industrial Laser Interferometry II; (1988) https://doi.org/10.1117/12.947681
Event: SPIE International Symposium on Optical Engineering and Industrial Sensing for Advance Manufacturing Technologies, 1988, Dearborn, MI, United States

Abstract

Two-reference-beam stroboscopic heterodyne hologram interferometry was used to study beams vibrating at frequencies up to 29.9 kHz. This method allows measurement of vibration amplitudes with an accuracy of 1/1000 of one fringe. As such it is particularly useful in studies of objects vibrating at amplitudes below one micron. Comparison between results obtained from holograms and those computed using the finite element method showed good correlation, in this study.

Citation Download Citation

Ryszard J. Pryputniewicz "Vibration Studies Using Heterodyne Hologram Interferometry", Proc. SPIE 0955, Industrial Laser Interferometry II, (14 December 1988); https://doi.org/10.1117/12.947681

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