%0 Journal Article %T Impact of wave front and coherence optimization in coherent diffractive imaging %+ Service des Photons, Atomes et Molécules (SPAM) %+ Laboratoire d'optique appliquée (LOA) %+ Department of Cell and Molecular Biology [Uppsala] %A Ge, X. %A Boutu, W. %A Gauthier, D. %A Wang, F. %A Borta, A. %A Barbrel, B. %A Ducousso, M. %A Gonzalez, A. I. %A Carré, B. %A Guillaumet, D. %A Perdrix, M. %A Gobert, O. %A Gautier, J. %A Lambert, G. %A Maia, F. R. N. C. %A Hajdu, J. %A Zeitoun, P. %A Merdji, H. %Z Saclay SLIC laser team European Union through the EU-LASERLAB program European Union through EU-FP7 X-Motion program European Union through ATTOFEL program French ministry of research through the 2009 ANR grant "I-NanoX" French ministry of research through the 2009 ANR grant "Femto-X-Mag" "Triangle de la Physique" through the COX grant C'NANO research program through the X-NANO grants Swedish Research Council European Research Council Knut och Alice Wallenbergs Stiftelse DFG Cluster of Excellence at the Munich Centre for Advanced Photonics %< avec comité de lecture %@ 1094-4087 %J Optics Express %I Optical Society of America - OSA Publishing %V 21 %N 9 %8 2013-05-06 %D 2013 %R 10.1364/OE.21.011441 %K RAY %K MICROSCOPY %K RESOLUTION %K DYNAMICS %K PHASE %K NOISE %Z Physics [physics]/Physics [physics]/Optics [physics.optics]Journal articles %X We present single shot nanoscale imaging using a table-top femtosecond soft X-ray laser harmonic source at a wavelength of 32 nm. We show that the phase retrieval process in coherent diffractive imaging critically depends on beam quality. Coherence and image fidelity are measured from single-shot coherent diffraction patterns of isolated nano-patterned slits. Impact of flux, wave front and coherence of the soft X-ray beam on the phase retrieval process and the image quality are discussed. After beam improvements, a final image reconstruction is presented with a spatial resolution of 78 nm (half period) in a single 20 fs laser harmonic shot. (C) 2013 Optical Society of America %G English %L hal-01401269 %U https://ensta-paris.hal.science/hal-01401269 %~ CEA %~ X %~ ENSTA %~ CNRS %~ X-LOA %~ X-DEP %~ X-DEP-PHYS %~ ENSTA_LOA %~ SPAM %~ ANR %~ IRAMIS