New aerodynamic lens injector for single particle diffractive imaging
Nils Roth, Daniel A. Horke, Jannik L\"ubke, Amit K. Samanta, Armando, D. Estillore, Lena Worbs, Nicolai Pohlman, Kartik Ayyer, Andrew Morgan,, Holger Fleckenstein, Martin Domaracky, Benjamin Erk, Christopher Passow,, Jonathan Correa, Oleksandr Yefanov, Anton Barty, Sa\v{s}a Bajt
TL;DR
This paper introduces a new aerodynamic lens injector designed for single-particle diffractive imaging at free-electron lasers, enabling quick customization and demonstrating effective particle beam characterization at FLASH.
Contribution
The paper presents a novel aerodynamic lens injector with adjustable geometries tailored for single-particle imaging experiments at free-electron lasers.
Findings
Successful demonstration at FLASH facility
Good agreement between diffraction data and simulations
Effective characterization of particle beam properties
Abstract
An aerodynamic lens injector was developed specifically for the needs of single-particle diffractive imaging experiments at free-electron lasers. Its design allows for quick changes of injector geometries and focusing properties in order to optimize injection for specific individual samples. Here, we present results of its first use at the FLASH free-electron-laser facility. Recorded diffraction patterns of polystyrene spheres are modeled using Mie scattering, which allowed for the characterization of the particle beam under diffractive-imaging conditions and yield good agreement with particle-trajectory simulations.
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Taxonomy
TopicsAdvanced X-ray Imaging Techniques · Advanced Electron Microscopy Techniques and Applications · Laser-Plasma Interactions and Diagnostics