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The low repetition rates and possible shot-to-shot variations in laser-plasma studies place a high value on single-shot diagnostics. For example, white-beam scattering methods based on broadband backlighter x-ray sources are used to…

Plasma Physics · Physics 2014-03-04 O. R. Hoidn , G. T. Seidler

Coherent diffraction imaging (CDI) using synchrotron radiation, X-ray free electron lasers (X-FELs), high harmonic generation, soft X-ray lasers, and optical lasers has found broad applications across several disciplines. An active research…

We present a theoretical justification for a method of extracting of supplementary information for the phase retrieval procedure taken from diffraction of fs-pulses from X-ray Free Electron Laser facilities. The approach is based on…

Materials Science · Physics 2015-02-18 A. Leonov , D. Ksenzov , A. Benediktovitch , I. Feranchuk , U. Pietsch

The Fraunhofer diffraction of quantum particles from materials with sharp electron-density edges or symmetric bond structures is ubiquitous. In contrast, diffraction from atoms with characteristic asymptotically-diffused electron…

The advent of X-ray free-electron lasers (XFELs) has revolutionized fundamental science, from atomic to condensed matter physics, from chemistry to biology, giving researchers access to X-rays with unprecedented brightness, coherence, and…

Mesoscale and Nanoscale Physics · Physics 2022-10-27 Nanna Zhou Hagström , Michael Schneider , Nico Kerber , Alexander Yaroslavtsev , Erick Burgos Parra , Marijan Beg , Martin Lang , Christian M. Günther , Boris Seng , Fabian Kammerbauer , Horia Popescu , Matteo Pancaldi , Kumar Neeraj , Debanjan Polley , Rahul Jangid , Stjepan B. Hrkac , Sheena K. K. Patel , Sergei Ovcharenko , Diego Turenne , Dmitriy Ksenzov , Christine Boeglin , Igor Pronin , Marina Baidakova , Clemens von Korff Schmising , Martin Borchert , Boris Vodungbo , Kai Chen , Chen Luo , Florin Radu , Leonard Müller , Miriam Martínez Flórez , André Philippi-Kobs , Matthias Riepp , Wojciech Roseker , Gerhard Grübel , Robert Carley , Justine Schlappa , Benjamin Van Kuiken , Rafael Gort , Laurent Mercadier , Naman Agarwal , Loïc Le Guyader , Giuseppe Mercurio , Martin Teichmann , Jan Torben Delitz , Alexander Reich , Carsten Broers , David Hickin , Carsten Deiter , James Moore , Dimitrios Rompotis , Jinxiong Wang , Daniel Kane , Sandhya Venkatesan , Joachim Meier , Florent Pallas , Tomasz Jezynski , Maximilian Lederer , Djelloul Boukhelef , Janusz Szuba , Krzysztof Wrona , Steffen Hauf , Jun Zhu , Martin Bergemann , Ebad Kamil , Thomas Kluyver , Robert Rosca , Michał Spirzewski , Markus Kuster , Monica Turcato , David Lomidze , Andrey Samartsev , Jan Engelke , Matteo Porro , Stefano Maffessanti , Karsten Hansen , Florian Erdinger , Peter Fischer , Carlo Fiorini , Andrea Castoldi , Massimo Manghisoni , Cornelia Beatrix Wunderer , Eric E. Fullerton , Oleg G. Shpyrko , Christian Gutt , Cecilia Sanchez-Hanke , Hermann A. Dürr , Ezio Iacocca , Hans T. Nembach , Mark W. Keller , Justin M. Shaw , Thomas J. Silva , Roopali Kukreja , Hans Fangohr , Stefan Eisebitt , Mathias Kläui , Nicolas Jaouen , Andreas Scherz , Stefano Bonetti , Emmanuelle Jal

X-ray free-electron lasers (XFELs) offer unique capabilities for measuring the structure and dynamics of biomolecules, helping us understand the basic building blocks of life. Notably, high-repetition-rate XFELs enable single particle…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Jay Shenoy , Axel Levy , Frédéric Poitevin , Gordon Wetzstein

Incoherent Diffraction Imaging - IDI - is a diffraction-based imaging technique that has been recently proposed to exploit the partial coherence of incoherently scattered light to retrieve structural information from the scattering centers.…

X-ray single particle imaging involves the measurement of a large number of noisy diffraction patterns of isolated objects in random orientations. The missing information about these patterns is then computationally recovered in order to…

Image and Video Processing · Electrical Eng. & Systems 2020-05-25 Kartik Ayyer

Optical diffraction tomography is an indispensable tool for studying objects in three-dimensions due to its ability to accurately reconstruct scattering objects. Until now this technique has been limited to coherent light because spatial…

Ubiquitous to most molecular scattering methods is the challenge to retrieve bond distance and angle from the scattering signals since this requires convergence of pattern matching algorithms or fitting methods. This problem is typically…

Using high-quality gas phase electron scattering calculations and multiple scattering theory, we attempt to gain insights on the radiation damage to DNA induced by secondary low-energy electrons in the condensed phase, and to bridge the…

Chemical Physics · Physics 2009-11-13 Laurent Caron , Stefano Tonzani , Chris H. Greene , Leon Sanche

Schemes for X-ray imaging single protein molecules using new x-ray sources, like x-ray free electron lasers (XFELs), require processing many frames of data that are obtained by taking temporally short snapshots of identical molecules, each…

Data Analysis, Statistics and Probability · Physics 2015-06-17 Kartik Ayyer , Hugh T. Philipp , Mark W. Tate , Veit Elser , Sol M. Gruner

We reconstructed the 3D Fourier intensity distribution of mono-disperse prolate nano-particles using single-shot 2D coherent diffraction patterns collected at DESY's FLASH facility when a bright, coherent, ultrafast X-ray pulse intercepted…

Speden is a computer program that reconstructs the electron density of single particles from their x-ray diffraction patterns, using a single-particle adaptation of the Holographic Method in crystallography. (Szoke, A., Szoke, H., and…

Coherent diffraction imaging (CDI) of single molecules at atomic resolution is a major goal for the x-ray free electron lasers (XFELs). However, during an imaging pulse, the fast laser-induced ionization may strongly affect the recorded…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Zoltan Jurek , Robert Thiele , Beata Ziaja , Robin Santra

Modern technology for producing extremely bright and coherent X-ray laser pulses provides the possibility to acquire a large number of diffraction patterns from individual biological nanoparticles, including proteins, viruses, and DNA.…

Methodology · Statistics 2018-07-11 Stefan Engblom , Carl Nettelblad , Jing Liu

Emerging coherent X-ray scattering patterns of single-particles have shown dominant morphological signatures in agreement with predictions of the scattering model used for conventional protein crystallography. The key question is if and to…

Biomolecules · Quantitative Biology 2014-07-28 Aliakbar Jafarpour

In both light optics and electron optics, the amplitude of a wave scattered by an object is an observable that is usually recorded in the form of an intensity distribution in a real space image or a diffraction image. In contrast, retrieval…

We reconstructed intensities in Fourier space and electron densities in the real space for an azimuthally symmetric object Nanorice particle (Iron Oxide nanoparticle) exposed in the ultrashort, bright and coherent x-ray free electron laser…

Biological Physics · Physics 2020-07-14 S. S. Kim , P. Nepal , D. K. Saldin , C. H. Yoon

Single particle imaging (SPI) at X-ray free electron lasers (XFELs) is a technique to determine the 3D structure of nanoscale objects like biomolecules from a large number of diffraction patterns of copies of these objects in random…

Image and Video Processing · Electrical Eng. & Systems 2022-10-20 Abhishek Mall , Kartik Ayyer