Portable automatic grating interferometer for laboratory and field studies of materials and mechanical elements

Leszek A. Salbut; Malgorzata Kujawinska; Grzegorz Dymny

doi:10.1117/12.195523

30 November 1994 Portable automatic grating interferometer for laboratory and field studies of materials and mechanical elements

Leszek A. Salbut, Malgorzata Kujawinska, Grzegorz Dymny

Author Affiliations +

Proceedings Volume 2342, Interferometry '94: Photomechanics; (1994) https://doi.org/10.1117/12.195523
Event: International Conference on Interferometry '94, 1994, Warsaw, Poland

Abstract

The portable, grating interferometer for automatic u- and v- displacement measurements is presented. The interferometer modifications, including registration of interferograms by CCD camera and implementing the phase shifting device, are described. The method for fringe pattern analysis using video recorder and spatial carrier phase stepping algorithm is introduced and discussed. The examples of modified interferometer application in fracture mechanics are given.

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Leszek A. Salbut, Malgorzata Kujawinska, and Grzegorz Dymny "Portable automatic grating interferometer for laboratory and field studies of materials and mechanical elements", Proc. SPIE 2342, Interferometry '94: Photomechanics, (30 November 1994); https://doi.org/10.1117/12.195523

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