Investigation of a submillimeter cantilever beam of variable cross section by computational and hologram interferometry methods

Gordon C. Brown; Ryszard J. Pryputniewicz

doi:10.1117/12.145571

28 May 1993 Investigation of a submillimeter cantilever beam of variable cross section by computational and hologram interferometry methods

Gordon C. Brown, Ryszard J. Pryputniewicz

Author Affiliations +

Proceedings Volume 1821, Industrial Applications of Optical Inspection, Metrology, and Sensing; (1993) https://doi.org/10.1117/12.145571
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

Vibration characteristics of a submillimeter cantilever beam of variable cross section are investigated using computational and hologram interferometry methods. The computational method is based on the finite element approach. The hologram interferometry methods are based on the time-average and stroboscopic heterodyne hologram interferometry approaches. Mode shapes and resonance frequencies of the beam are determined as a function of its length. Comparison between the finite element results and the holographic results shows good correlation.

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Gordon C. Brown and Ryszard J. Pryputniewicz "Investigation of a submillimeter cantilever beam of variable cross section by computational and hologram interferometry methods", Proc. SPIE 1821, Industrial Applications of Optical Inspection, Metrology, and Sensing, (28 May 1993); https://doi.org/10.1117/12.145571

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