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20242026
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physics.optics2026

Meshfree versus grid-based Schrödinger solvers for modeling the interactions between free-electron wave packets and light

Mitja Funk, Sebastian Merk, Caroline Lasser +2

The interaction of free-electron wave packets with electromagnetic fields provides a powerful route toward coherent electron control, enabling the generation of energy combs, momen…

physics.optics2026

Stimulated interactions of low-energy free-electrons with light

Fatemeh Chahshouri, Sven Ebel, Mitja Funk +1

Free-electron interactions with light and matter have long served as a cornerstone for exploring the quantum and ultrafast dynamics of material excitation. In recent years, this pa…

physics.optics2025

A Multi-Dimensional Cathodoluminescence Detector with 3D Printed Micro-Optics on a Fiber

Paul H. Bittorf, Filip Majstorovic, Pavel Ruchka +2

Cathodoluminescence, i.e. the radiation caused by the interaction of high-energy electron beams with matter, has gained a major interest in the analysis of minerals, semiconductors…

physics.optics2025

Phase-matched electron-photon interactions enabled by 3D-printed helical waveguides

Masoud Taleb, Mohsen Samadi, Nahid Talebi

The Smith-Purcell effect enables electromagnetic radiation across arbitrary spectral ranges by phase-matching the diffraction orders of an optical grating with the near-field of a…

physics.optics2025

Ultrafast Plasmonic Rotors for Electron Beams

Fatemeh Chahshouri, Nahid Talebi

The interaction between free electrons and laser-induced near-fields provides a platform to study ultrafast processes and quantum phenomena while enabling precise manipulation of e…