Application of a dynamic speckle structure for noise suppression in a diffraction interferometer with scatter plate

Vladimir S. Obraztsov; Vladimir I. Podoba

doi:10.1117/12.195956

12 December 1994 Application of a dynamic speckle structure for noise suppression in a diffraction interferometer with scatter plate

Vladimir S. Obraztsov, Vladimir I. Podoba

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Proceedings Volume 2340, Interferometry '94: New Techniques and Analysis in Optical Measurements; (1994) https://doi.org/10.1117/12.195956
Event: International Conference on Interferometry '94, 1994, Warsaw, Poland

Abstract

A method for noise reduction in diffraction scatter plate interferometer is suggested. This one uses a dynamic speckle structure to illuminate an immovable scatter plate. A principle of the method is discussed and results of its experimental verification are presented.

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Vladimir S. Obraztsov and Vladimir I. Podoba "Application of a dynamic speckle structure for noise suppression in a diffraction interferometer with scatter plate", Proc. SPIE 2340, Interferometry '94: New Techniques and Analysis in Optical Measurements, (12 December 1994); https://doi.org/10.1117/12.195956

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KEYWORDS

Speckle

Digital signal processing

Decision support systems

Interferometers

Surface plasmons

Diffraction

Speckle pattern

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