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Proceedings Paper

Time resolved profile measurements for ultra-fast vibrating objects
Author(s): Wei-Hung Su; Cho-Yo Kuo
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Paper Abstract

A novel technique using projected fringe profilometry with pulsed illuminations for finding the absolute shape of an object, which is vibrating with high frequency, is proposed. The proposed method can accurately describe the observed 3D shape at a sequence of time. Even though the tested object vibrates up to 10K-Hz, the proposed method can accurately describe the observed 3D shape at a specific time. Depth accuracy better than one part in ten thousandths of the field of view can be achieved even with excessive image noises. Furthermore, using the proposed method, the vibrating frequency and local displacement at each pixel can be accurately identified.

Paper Details

Date Published: 17 September 2007
PDF: 13 pages
Proc. SPIE 6698, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications, 66980W (17 September 2007); doi: 10.1117/12.738701
Show Author Affiliations
Wei-Hung Su, National Sun Yat-Sen Univ. (Taiwan)
Cho-Yo Kuo, National Sun Yat-Sen Univ. (Taiwan)


Published in SPIE Proceedings Vol. 6698:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications
Ruyan Guo; Shizhuo S. Yin; Francis T.S. Yu, Editor(s)

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