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Noise-robust coherent diffractive imaging with a single diffraction pattern

MPS-Authors
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Erk,  Benjamin
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Foucar,  Lutz
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Kassemeyer,  Stephan
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Lomb,  Lukas
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Nass,  Karol
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Rolles,  Daniel
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Rudek,  Benedikt
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Shoeman,  Robert L.
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Steinbrener,  Jan
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Schlichting,  Ilme
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Martin, A. V., Wang, F., Loh, N.-T.-D., Ekeberg, T., Maia, F. R. N. C., Hantke, M., et al. (2012). Noise-robust coherent diffractive imaging with a single diffraction pattern. Optics Express, 20(15), 16650-16661. doi:10.1364/OE.20.016650.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-1EA0-5
Abstract
The resolution of single−shot coherent diffractive imaging at X−ray free−electron laser facilities is limited by the low signal−to−noise level of diffraction data at high scattering angles. The iterative reconstruction methods, which phase a continuous diffraction pattern to produce an image, must be able to extract information from these weak signals to obtain the best quality images. Here we show how to modify iterative reconstruction methods to improve tolerance to noise. The method is demonstrated with the hybrid input−output method on both simulated data and single−shot diffraction patterns taken at the Linac Coherent Light Source