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versão On-line ISSN 2007-0705
Resumo
SAUCEDO ANAYA, Tonatiuh e PUCH CEBALLOS, Felipe. Simultaneous two-dimensional measurement by digital holographic interferometry using two lasers and a 3CCD camer. Nova scientia [online]. 2014, vol.6, n.11, pp.67-80. ISSN 2007-0705.
An arrangement in Digital Holographic Interferometry (DHI) is presented for simultaneously 2D measuring micro deformations in the surface of optically rough objects. For this arrangement a 3CCD color camera and two laser sources 458nm and 633nm were used, this allows to record two digital holograms simultaneously. The arrangement is tested on a metal plate which is slightly microscopically deformed when heated by a soldering iron. The experimental results show the metrological potential of the system for mechanical quantities characterizing the structure of the object.
Palavras-chave : Digital Holographic Interferometry; metrology; micro deformation; mechanics characterization.