Two-source method in digital holographic contouring

J. R. Perez; Edison Goncalves; R. de Souza; Fernando F. Palacios; Mikiya Muramatsu; J. L. Valin; Marcos R. R. Gesualdi

doi:10.1117/12.591702

21 October 2004 Two-source method in digital holographic contouring

J. R. Perez, Edison Goncalves, R. de Souza, Fernando F. Palacios, Mikiya Muramatsu, J. L. Valin, Marcos R. R. Gesualdi

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.591702
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

Using digital holography the two-source method was applied for shape determination of a groove on an Aluminum plate. The electric component of the electromagnetic field, on the image plane, was reconstructed using the Fresnel-Kirchoff integral and Fourier method and digital holograms were captured changing the fiber optic position with a micro positioner. The phase interferogram was filtered by means of the sine/cosine filter and for the unwrapping process was applied the branch-cut method. This object present real discontinuity and the experimental results agree with the expected one, with high quality intensity image. The quasi-3D phase presentation shows the object shape.

Citation Download Citation

J. R. Perez, Edison Goncalves, R. de Souza, Fernando F. Palacios, Mikiya Muramatsu, J. L. Valin, and Marcos R. R. Gesualdi "Two-source method in digital holographic contouring", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.591702

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