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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 16 — Jun. 1, 1998
  • pp: 3440–3446

Transient deformation measurement by double-pulsed-subtraction TV holography and the Fourier transform method

Antonio Fernández, Jesús Blanco-García, Ángel F. Doval, Javier Bugarín, Benito V. Dorrío, Carlos López, José M. Alén, Mariano Pérez-Amor, and José L. Fernández  »View Author Affiliations


Applied Optics, Vol. 37, Issue 16, pp. 3440-3446 (1998)
http://dx.doi.org/10.1364/AO.37.003440


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Abstract

We report the measurement of transient bending waves with double-pulsed-subtraction TV holography. The correlation fringe patterns are automatically quantitatively analyzed by the application of Fourier methods. A novel optical setup with two different object-beam optical paths is demonstrated for the generation of carrier fringes. The proposed system is highly immune to environmental disturbances because the optical setup imposes no lower limit on the time separation between laser pulses. One removes the linear phase distribution due to the spatial carrier in the spatial domain by subtracting the phase of the undeformed carrier fringes from the phase of the modulated fringes. Experimental results obtained with an aluminum plate excited by the impact of a piezoelectric translator are presented.

© 1998 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(090.0090) Holography : Holography
(120.3180) Instrumentation, measurement, and metrology : Interferometry

History
Original Manuscript: September 25, 1997
Revised Manuscript: December 3, 1998
Published: June 1, 1998

Citation
Antonio Fernández, Jesús Blanco-García, Ángel F. Doval, Javier Bugarín, Benito V. Dorrío, Carlos López, José M. Alén, Mariano Pérez-Amor, and José L. Fernández, "Transient deformation measurement by double-pulsed-subtraction TV holography and the Fourier transform method," Appl. Opt. 37, 3440-3446 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-16-3440

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