Broad-range holographic contouring of diffuse surfaces by dual-beam illumination: study of two related techniques

Pramod Kumar Rastogi; Leopold Pflug

doi:10.1117/12.57452

1 December 1991 Broad-range holographic contouring of diffuse surfaces by dual-beam illumination: study of two related techniques

Pramod Kumar Rastogi, Leopold Pflug

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Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.57452
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

This paper reports on two holographic techniques which allow one to obtain the contour maps of arbitrarily shaped objects. The most important feature of these methods is that their sensitivities can be varied continuously and in real-time in a wide range. The intersection planes can be pivoted at will to provide for oblique slicing of the models.

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Pramod Kumar Rastogi and Leopold Pflug "Broad-range holographic contouring of diffuse surfaces by dual-beam illumination: study of two related techniques", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.57452

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KEYWORDS

Holography

Holographic interferometry

Interferometers

Moire patterns

Mechanics

Wavefronts

3D image reconstruction

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