14 September 1977 Application Of Moire Method To Measurement Of High Speed Deformation
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Proceedings Volume 0097, 12th Intl Congress on High Speed Photography; (1977) https://doi.org/10.1117/12.955186
Event: 12th International Congress on High Speed Photography, 1976, Toronto, Canada
Abstract
The purpose of the investigation is measurement of a diffusing surface, normal to a certain reference plane, changing rapidly with time. In this paper are, in the first place, described basic study, based on geometrical optics, of Moire topography using an incoherent or a coherent light source in two procesess. The contents are below; (1) generating the best quality of equispacing fringes on the surface, (2) formation of Moire contour lines and height difference between the most adjacent lines. Next is shown a time resolved Moire topography consisting of casting fringe system using Xe-flash as a light source and a high speed framing camera et al, with a ten microseconds of time resolution and about 150 microns of contour sensitivity. As a typical application when a thin plate was received an impact force, the deformations of the surface are shown in a series of contour lines pictures.
© (1977) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Takao Tsuno, Takao Tsuno, Yoshio Nakamura, Yoshio Nakamura, } "Application Of Moire Method To Measurement Of High Speed Deformation", Proc. SPIE 0097, 12th Intl Congress on High Speed Photography, (14 September 1977); doi: 10.1117/12.955186; https://doi.org/10.1117/12.955186
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