Fourier-Transform Evaluation Of Holographic Interference Patterns

Thomas M. Kreis

doi:10.1117/12.941721

17 February 1987 Fourier-Transform Evaluation Of Holographic Interference Patterns

Thomas M. Kreis

Proceedings Volume 0814, Photomechanics and Speckle Metrology; (1987) https://doi.org/10.1117/12.941721
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

The Fourier-transform method pointwisely determines the interference phase distribution of a digitally recorded and stored holographic interference pattern. Only one interference pattern is used, although the use of two patterns with an unknown mutual phase shift enables a sign correction with high reliability. The method offers means for filtering out disturbances such as speckle noise and background variations, especially when an image of the illuminated object-surface can be recorded before producing the interference fringes.

Citation Download Citation

Thomas M. Kreis "Fourier-Transform Evaluation Of Holographic Interference Patterns", Proc. SPIE 0814, Photomechanics and Speckle Metrology, (17 February 1987); https://doi.org/10.1117/12.941721

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