Fringe Variation And Visibility In Speckle-Shearing Interferometry

Jing Fang

doi:10.1117/12.962805

20 December 1989 Fringe Variation And Visibility In Speckle-Shearing Interferometry

Jing Fang

Proceedings Volume 1164, Surface Characterization and Testing II; (1989) https://doi.org/10.1117/12.962805
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

Frequency spectra are analyzed for two typical speckle-shearing interference recordings - single-aperture speckle-shearing camera (SASSC) and double-aperture speckle-shearing camera (DASSC) to show the fringe variation due to the displacement involved in differentiation. A speckle statistics is then made for filtering system to show the fringe contrastvariation resulting from the object deformation and the aperture of filtering-image system.

Citation Download Citation

Jing Fang "Fringe Variation And Visibility In Speckle-Shearing Interferometry", Proc. SPIE 1164, Surface Characterization and Testing II, (20 December 1989); https://doi.org/10.1117/12.962805

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