Linear algorithms for phase retrieval in the Fresnel region. 2. Partially coherent illumination
By T. Gureyev, Y. Nesterets, D. Paganin, A. Pogany, S. Wilkins. 2004
211 citations recorded by the source corpus.
Abstract Analytical expressions for the spatial distribution of the spectral density and intensity of projection images are derived for a broad class of object transmission functions in the case of partially coherent Schell-model-type incident illumination. The expressions are linear with respect to the phase distribution in the transmitted wave. Associated methods for phase retrieval are discussed with the emphasis on a technique that allows simultaneous “automatic” phase retrieval and deconvolution of projection images of homogeneous objects by means of mutual cancellation at a specified defocus distance of the Fresnel diffraction effects and the image blurring due to the point-spread function of the imaging system.
Subfields: Atomic and Molecular Physics, and Optics, Radiation, Structural Biology
View Paper: https://www.semanticscholar.org/paper/a4e37b6ec2aae0f10098163692941ef0ae8b7be7
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In Atomic and Molecular Physics, and Optics
In Radiation
In Structural Biology
Citations in the corpus
- Principles and techniques of digital holographic microscopy (2010, methodology): “There is also a noninterferometric method to extract quantitative phase images from differential focusing properties of bright-field intensity images alone [44,45].”
- X-ray phase-contrast imaging: from pre-clinical applications towards clinics (2013, methodology): “Failures of TIE have been illustrated, and alternative algorithms have been put forward, such as the mixed TIE and contrast-transferfunction (CTF) (Langer et al 2008, Gureyev et al 2004), and the attenuation-partition (AP)based algorithm (Yan et al 2011).”