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Marc ALLAIN

6
Documents

Publications

785808

Efficient ptychographic phase retrieval via a matrix-free Levenberg-Marquardt algorithm

Marc Allain , Saugat Kandel , S. Maddali , Youssef Nashed , Stephan Hruszkewycz
Optics Express, 2021, 29 (15), pp.23019. ⟨10.1364/OE.422768⟩
Article dans une revue hal-03546636v1

Sub-pixel high-resolution imaging of high-energy x-rays inspired by sub-wavelength optical imaging

Marc Allain , N. Bertaux , J. Weizeorick , J.-S. Park , P. Kenesei
Optics Express, 2021, 29 (22), pp.35003. ⟨10.1364/OE.438945⟩
Article dans une revue hal-03457026v1
Image document

Impact and mitigation of angular uncertainties in Bragg coherent x-ray diffraction imaging

I. Calvo-Almazán , Marc Allain , S. Maddali , Virginie Chamard , S. Hruszkewycz
Scientific Reports, 2019, 9, pp.6386. ⟨10.1038/s41598-019-42797-4⟩
Article dans une revue hal-02107745v1
Image document

Phase retrieval for Bragg coherent diffraction imaging at high x-ray energies

S. Maddali , Marc Allain , W. Cha , R. Harder , S. Park
Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2019, 99 (5), pp.053838. ⟨10.1103/PhysRevA.99.053838⟩
Article dans une revue hal-02139472v1
Image document

Using automatic differentiation as a general framework for ptychographic reconstruction

Saugat Kandel , S. Maddali , Marc Allain , Stephan Hruszkewycz , Chris Jacobsen
Optics Express, 2019, 27 (13), pp.18653. ⟨10.1364/OE.27.018653⟩
Article dans une revue hal-02163380v1
Image document

Measuring three dimensional strain and structural defects in a single InGaAs nanowire using coherent x-ray multi-angle Bragg projection ptychography

Megan Hill , Irene Calvo-Almazan , Marc Allain , Martin Holt , Andrew Ulvestad
Nano Letters, 2018, 18 (2), pp.811-819. ⟨10.1021/acs.nanolett.7b04024⟩
Article dans une revue hal-01687989v1