One can reconstruct an image of a coherently illuminated scene from an array of diffracted intensity measurements, without imaging optics, by using a phase retrieval algorithm. By illuminating the scene with a specially shaped coherent light beam, the robustness of the phase retrieval algorithm is greatly improved.
© 2004 Optical Society of America
(100.0100) Image processing : Image processing
(100.3010) Image processing : Image reconstruction techniques
(100.3190) Image processing : Inverse problems
(100.5070) Image processing : Phase retrieval
(110.0110) Imaging systems : Imaging systems
J. R. Fienup, "Coherent imaging with illumination optics designed for the reconstruction algorithm," in Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing, OSA Technical Digest Series (Optical Society of America, 2004), paper FTuO4.
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