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Proceedings Paper

Transient bending wave analysis by Fourier evaluation of single-pulsed TV holography fringe patterns
Author(s): Antonio Fernandez; Angel F. Doval; J. Bugarin; Benito Vasquez Dorrio; Jose Carlos Lopez Vazquez; Jose M. Alen; Jesus Blanco-Garcia; Mariano Perez-Amor; J. L. Fernandez
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Paper Abstract

In this paper we demonstrate the feasibility of impact- induced transient deformations measurement by single-pulsed subtraction TV holography an the Fourier transform method with contouring fringes as spatial carrier. Fringe formation in single-pulsed subtraction TV holography and phase demodulation by the Fourier transform method are descried. Contouring fringes are proved to be well suited for introducing spatial carrier in the correlation fringe patterns. Experimental results are presented. Finally, the degree of immunity to environmental disturbances of this technique is discussed and improvements are proposed.

Paper Details

Date Published: 17 September 1997
PDF: 7 pages
Proc. SPIE 3098, Optical Inspection and Micromeasurements II, (17 September 1997); doi: 10.1117/12.281206
Show Author Affiliations
Antonio Fernandez, Univ. of Vigo (Spain)
Angel F. Doval, Univ. of Vigo (Spain)
J. Bugarin, Univ. of Vigo (Spain)
Benito Vasquez Dorrio, Univ. of Vigo (Spain)
Jose Carlos Lopez Vazquez, Univ. of Vigo (Spain)
Jose M. Alen, Univ. of Vigo (Spain)
Jesus Blanco-Garcia, Univ. of Vigo (Spain)
Mariano Perez-Amor, Univ. of Vigo (Spain)
J. L. Fernandez, Univ. de Vigo (Spain)

Published in SPIE Proceedings Vol. 3098:
Optical Inspection and Micromeasurements II
Christophe Gorecki, Editor(s)

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