Iterative Phase Retrieval (Jianwei Miao

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Iterative Phase Retrieval (Jianwei Miao David
Sayre)
Diffraction Pattern Fourier Transformation Phase
Information is lost
Compare with observed pattern
Iteration
Make diffraction pattern
Reconstruction Fourier Transformation with
assumed phase
You need not to make crystal
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Reconstruction of Complex Real Space Images
Real Space
Phase Retrieval
Scattered Intensity
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3D Diffraction Nanoscopy
Miao et al. PRL (2002)
8 nm resolution
Two Layer Ni Pattern
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E. Coli Bacteria
Reconstructed Image
Coherent Scattering Pattern
25 nm resolution
J. Miao, et al. PNAS, 100 (2003) 110-112
Visible, Confocal Microscopy