Spatial coherence of electron beams from field emitters and its effect on the resolution of imaged objects.
@article{Latychevskaia2017SpatialCO, title={Spatial coherence of electron beams from field emitters and its effect on the resolution of imaged objects.}, author={Tatiana Latychevskaia}, journal={Ultramicroscopy}, year={2017}, volume={175}, pages={ 121-129 } }
21 Citations
Precise method for measuring spatial coherence in TEM beams using Airy diffraction patterns.
- PhysicsMicroscopy
- 2018
A remarkable feature of this method is its ability to simultaneously determine diffraction blurring and lens aberrations, and a wide range of coherence lengths can be determined by this proposed method as long as the coherence length remains >80% of the aperture diameter.
High spatial coherence in multiphoton-photoemitted electron beams
- PhysicsApplied Physics Letters
- 2018
Nanometer-sharp metallic tips are known to be excellent electron emitters. They are used in highest-resolution electron microscopes in cold field emission mode to generate the most coherent electron…
High spatial resolution detection of low-energy electrons using an event-counting method, application to point projection microscopy.
- PhysicsThe Review of scientific instruments
- 2018
An event-counting method using a two-microchannel plate stack in a low-energy electron point projection microscope is implemented. 15 μm detector spatial resolution, i.e., the distance between…
Transverse structure of the wave function of field emission electron beam determined by intrinsic transverse energy
- PhysicsJournal of Applied Physics
- 2018
The average transverse energy of field emission electrons at the cathode surface is one of the key factors that determines the virtual source size, hence the transverse spatial coherence of field…
Phase retrieval methods applied to coherent imaging
- PhysicsAdvances in Imaging and Electron Physics
- 2021
SEM Nano: An Electron Wave Optical Simulation for the Scanning Electron Microscope
- PhysicsMicroscopy and Microanalysis
- 2022
Abstract The simulation program “SEM Nano” is introduced to explain and visualize probe formation in field-emission scanning electron microscopes (SEMs). The program offers an easy and intuitive…
Plasmonic-Nanofocusing-Based Electron Holography
- PhysicsACS Photonics
- 2018
Point-projection microscopy (PPM) with low energy electrons is developing into a powerful tool for holographic reconstruction of individual proteins and solid state nanostructures. In combination…
Development of a SEM-based low-energy in-line electron holography microscope for individual particle imaging.
- PhysicsUltramicroscopy
- 2018
On the brightness, transverse emittance, and transverse coherence of field emission beam
- PhysicsJournal of Vacuum Science & Technology B
- 2022
The highly brilliant electron beam produced by field emitters is one of the enabling factors of the high resolution electron microscope with atomic resolution. In addition to high beam brightness,…
Holography and Coherent Diffraction Imaging with Low-(30–250 eV) and High-(80–300 keV) Energy Electrons: History, Principles, and Recent Trends
- PhysicsMaterials
- 2020
The theoretical background to electron scattering in an atomic potential and the differences between low- and high-energy electrons interacting with matter are presented.
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