Using machine-learning to optimize phase contrast in a low-cost cellphone microscope. [PDF]
PLoS ONE, 2018 Cellphones equipped with high-quality cameras and powerful CPUs as well as GPUs are widespread. This opens new prospects to use such existing computational and imaging resources to perform medical diagnosis in developing countries at a very low cost ...
Benedict Diederich +3 more
doaj +10 more sources
Laboratory X-ray Microscopy of 3D Nanostructures in the Hard X-ray Regime Enabled by a Combination of Multilayer X-ray Optics [PDF]
NanomaterialsHigh-resolution imaging of buried metal interconnect structures in advanced microelectronic products with full-field X-ray microscopy is demonstrated in the hard X-ray regime, i.e., at photon energies > 10 keV.
Bartlomiej Lechowski +6 more
doaj +2 more sources
Small Spacecraft Payload Study for X-ray Astrophysics including GRB Science
Universe, 2022 This paper presents microsatellite spacecraft payload study for prompt observation of transient astrophysical objects in X-ray energy range. By combining telescope concepts and miniaturized detectors, the small spacecraft will be able to probe the X-ray ...
Vladimír Dániel +5 more
doaj +1 more source
Journal of Imaging, 2020 We present and compare the designs of three types of neutron microscopes for high-resolution neutron imaging. Like optical microscopes, and unlike standard neutron imaging instruments, these microscopes have both condenser and image-forming objective ...
Muhammad Abir +2 more
doaj +1 more source
A Step-by-step Guide to the Realisation of Advanced Optical Tweezers [PDF]
, 2015 Since the pioneering work of Arthur Ashkin, optical tweezers have become an indispensable tool for contactless manipulation of micro- and nanoparticles.
Gigain, Sylvain +6 more
core +3 more sources
Second-harmonic generation of ZnO nanoparticles synthesized by laser ablation of solids in liquids [PDF]
, 2018 We report the synthesis of small zinc oxide nanoparticles (ZnO NPs) based colloidal suspensions and the study of second-harmonic generation from aggregated ZnO NPs deposited on glass substrates.
Aguilar, G +6 more
core +1 more source
Particle tracking stereomicroscopy in optical tweezers: control of trap shape [PDF]
, 2010 We present an optical system capable of generating stereoscopic images to track trapped particles in three dimensions. Two-dimensional particle tracking on each image yields three dimensional position information.
Asavei +34 more
core +1 more source
Getting the most out of a post-column EELS spectrometer on a TEM/STEM by optimising the optical coupling [PDF]
, 2017 Ray tracing is used to find improved set-ups of the projector system of a JEOL ARM 200CF TEM/STEM for use in coupling it to a Gatan 965 Quantum ER EELS system and to explain their performance.
Craven, Alan J. +3 more
core +1 more source
Dark Field Differential Dynamic Microscopy enables the accurate characterization of the roto-translational dynamics of bacteria and colloidal clusters [PDF]
, 2017 Micro- and nanoscale objects with anisotropic shape are key components of a variety of biological systems and inert complex materials, and represent fundamental building blocks of novel self-assembly strategies.
Buscaglia, Marco +3 more
core +2 more sources
Smartphone microendoscopy for high resolution fluorescence imaging [PDF]
, 2016 High resolution optical endoscopes are increasingly used in diagnosis of various medical conditions of internal organs, such as the gastrointestinal tracts, but they are too expensive for use in resource-poor settings. On the other hand, smartphones with
Hong, Xiangqian +3 more
core +4 more sources