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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 19 — Jul. 1, 1998
  • pp: 4116–4122

Transient deformation analysis by a carrier method of pulsed electronic speckle-shearing pattern interferometry

Abundio Dávila, Guillermo H. Kaufmann, and Carlos Pérez-López  »View Author Affiliations


Applied Optics, Vol. 37, Issue 19, pp. 4116-4122 (1998)
http://dx.doi.org/10.1364/AO.37.004116


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Abstract

The introduction of a pulsed laser into an electronic speckle-shearing pattern interferometer allows high-speed transient deformations to be measured. We report on a computerized system that permits automatic data reduction by introducing carrier fringes through the translation of a diverging lens. The quantitative determination of the phase map that is due to deformation is carried out by the spatial synchronous detection method. Experimental results obtained for a metal plate transiently deformed by an electromagnetic hammer illustrate the advantages of the proposed system.

© 1998 Optical Society of America

OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging
(140.0140) Lasers and laser optics : Lasers and laser optics

History
Original Manuscript: September 8, 1997
Revised Manuscript: February 12, 1998
Published: July 1, 1998

Citation
Abundio Dávila, Guillermo H. Kaufmann, and Carlos Pérez-López, "Transient deformation analysis by a carrier method of pulsed electronic speckle-shearing pattern interferometry," Appl. Opt. 37, 4116-4122 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-19-4116

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