Reconstructing spatial phase distributions and object images from speckle intensity patterns of the diffraction field |
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| Authors: | B. B. Gorbatenko V. P. Ryabukho L. A. Maksimova |
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| Affiliation: | (1) Saratov State Technical University, Saratov, 410054, Russia;(2) Saratov State University, Saratov, 410026, Russia;(3) Institute of Problems of Fine Mechanics and Control, Russian Academy of Sciences, Saratov, 410028, Russia |
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| Abstract: | A method of reconstruction of the spatial phase distribution and the image of a scattering object from a recorded speckle pattern of the diffraction field has been developed and verified on test objects. The proposed method is based on an assumption that, for objects of a certain class, the phase difference between adjacent speckles in the far zone is equal to π. Digital records of Fourier speckle patterns and the corresponding digitally reconstructed images are presented. |
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