Transient bending wave analysis by Fourier evaluation of single-pulsed TV holography fringe patterns

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

doi:10.1117/12.281206

17 September 1997 Transient bending wave analysis by Fourier evaluation of single-pulsed TV holography fringe patterns

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

Author Affiliations +

Proceedings Volume 3098, Optical Inspection and Micromeasurements II; (1997) https://doi.org/10.1117/12.281206
Event: Lasers and Optics in Manufacturing III, 1997, Munich, Germany

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.

Citation Download Citation

Antonio Fernandez, Angel F. Doval, J. Bugarin, Benito Vasquez Dorrio, Jose Carlos Lopez Vazquez, Jose M. Alen, Jesus Blanco-Garcia, Mariano Perez-Amor, and J. L. Fernandez "Transient bending wave analysis by Fourier evaluation of single-pulsed TV holography fringe patterns", Proc. SPIE 3098, Optical Inspection and Micromeasurements II, (17 September 1997); https://doi.org/10.1117/12.281206

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