Abstract
We study the interaction of swift electrons with laser and solids using a numerical approach, and specifically show that low-energy electrons can be used to map the time-resolved response of a Fermi gas.
Highlights
Point-projection electron microscopes (PPMs) have been introduced as compact setups for imaging samples with high spatial resolution, especially when holography is considered [1]
We study the interaction of low-energy electron wave packets with laser beams and nanostructures, using a numerical approach based on a combined system of Maxwell and Schrödinger equations [4]
A carbon nanorod is considered as the sample, which is illuminated with a 20-fs laser pulse at a center wavelength of 1250 nm, and the excitations are probed with an electron wave packet at the energy of 60 eV (Fig. 1a)
Summary
Point-projection electron microscopes (PPMs) have been introduced as compact setups for imaging samples with high spatial resolution, especially when holography is considered [1]. By introducing sharp metallic tips as an efficient near-point photoemission electron source [2, 3], PPMs have been advanced to include ultrashort electron wave packets.
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