Coherent Smith–Purcell radiation of a hollow electron beam from a metasurface
We generalize the theory of Smith-Purcell effect for a hollow electron beam moving above a metasurface. We find that radiation in coherent regime is sensitive to the electron distribution inside the beam and propose a noninvasive way to study hollow beams inner structure. Numerical estimates are made for the terahertz range.
Authors
- D. Yu. Sergeeva (ORCID: https://orcid.org/0000-0002-9749-4697)
- D. V. Karlovets (ORCID: https://orcid.org/0000-0001-8171-1055)
- А. А. Тищенко (ORCID: https://orcid.org/0000-0002-1963-4973)
Institutions
- Belgorod National Research University (RU)
- ITMO University (RU)
- National Research Nuclear University MEPhI (RU)
Publication Details
- Journal
- Optics Letters
- Published
- 2025-05-05
- DOI
- https://doi.org/10.1364/ol.563589
- Citations
- 1
- Primary Topic
- Orbital Angular Momentum in Optics
- Type
- article
- Field-Weighted Citation Impact
- 1.25
Funders
- Foundation for the Advancement of Theoretical Physics and Mathematics