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Numrering	Referens	Omslagsbild	Hitta
1.	Loh, N. Duane, et al. (författare) Sensing the wavefront of x-ray free-electron lasers using aerosol spheres 2013 Ingår i: Optics Express. - 1094-4087. ; 21:10, s. 12385-12394 Tidskriftsartikel (refereegranskat)abstract Characterizing intense, focused x-ray free electron laser (FEL) pulses is crucial for their use in diffractive imaging. We describe how the distribution of average phase tilts and intensities on hard x-ray pulses with peak intensities of 1021 W/m(2) can be retrieved from an ensemble of diffraction patterns produced by 70 nm-radius polystyrene spheres, in a manner that mimics wavefront sensors. Besides showing that an adaptive geometric correction may be necessary for diffraction data from randomly injected sample sources, our paper demonstrates the possibility of collecting statistics on structured pulses using only the diffraction patterns they generate and highlights the imperative to study its impact on single-particle diffractive imaging.
2.	Park, Hyung Joo, et al. (författare) Toward unsupervised single-shot diffractive imaging of heterogeneous particles using X-ray free-electron lasers 2013 Ingår i: Optics Express. - 1094-4087. ; 21:23, s. 28729-28742 Tidskriftsartikel (refereegranskat)abstract Single shot diffraction imaging experiments via X-ray free-electron lasers can generate as many as hundreds of thousands of diffraction patterns of scattering objects. Recovering the real space contrast of a scattering object from these patterns currently requires a reconstruction process with user guidance in a number of steps, introducing severe bottlenecks in data processing. We present a series of measures that replace user guidance with algorithms that reconstruct contrasts in an unsupervised fashion. We demonstrate the feasibility of automating the reconstruction process by generating hundreds of contrasts obtained from soot particle diffraction experiments.

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Resultat 1-2 av 2

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Typ av publikation: tidskriftsartikel (2)

Typ av innehåll: refereegranskat (2)

Författare/redaktör: Sierra, Raymond G. (2); Aquila, Andrew (2); Graafsma, Heinz (2); Hirsemann, Helmut (2); Erk, Benjamin (2); Rudenko, Artem (2); visa fler...; Rolles, Daniel (2); Bogan, Michael J. (2); Shoeman, Robert L (2); Martin, Andrew V. (2); Ekeberg, Tomas (2); Foucar, Lutz (2); Hartmann, Robert (2); Rudek, Benedikt (2); Chapman, Henry N. (2); Barty, Anton (2); Maia, Filipe R. N. C ... (2); Hunter, Mark S. (2); Bajt, Saša (2); Barthelmess, Miriam (2); Bostedt, Christoph (2); Coppola, Nicola (2); Epp, Sascha W. (2); Fleckenstein, Holger (2); Frank, Matthias (2); Gumprecht, Lars (2); Hampton, Christina Y ... (2); Hartmann, Andreas (2); Hau-Riege, Stefan (2); Holl, Peter (2); Kimmel, Nils (2); Kassemeyer, Stephan (2); Liang, Mengning (2); Lomb, Lukas (2); Marchesini, Stefano (2); Nass, Karol (2); Reich, Christian (2); Schlichting, Ilme (2); Schulz, Joachim (2); Soltau, Heike (2); Starodub, Dmitri (2); Ullrich, Joachim (2); Weidenspointner, Geo ... (2); Wunderer, Cornelia (2); Loh, N. Duane (2); Bozek, John (2); Benner, W. Henry (2); Pedersoli, Emanuele (2); Hantke, Max Felix (2); Strueder, Lothar (2); visa färre...

Lärosäte: Uppsala universitet (2)

Språk: Engelska (2)

År: 2013 (2)Ta bort avgränsningen

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