SPATIAL DYNAMICS OF THE RADIALLY POLARIZED VORTEX BEAMS OF TERAHERTZ-RANGE RADIATION SUBJECTED TO TIGHT FOCUSING

• Date: 2026
• Keywords: keywords
• Main Authors: Degtyarev, A. V., Dubinin, M. M., Maslov, V. A., Pronin, Y. S.
• Format: Article
• Language: Ukrainian
• Published: Видавничий дім «Академперіодика» 2026
• Subjects: terahertz laser; vortex beam; spiral phase plate; topological charge; radial polarization; TM0m modes; dielectric waveguide-based resonator; tight focusing
• Online Access: http://rpra-journal.org.ua/index.php/ra/article/view/1497
• Journal Title: Radio physics and radio astronomy

Subject and Purpose. The paper concerns the effect of tight focusing of the terahertz-range vortex laser beams, formed byradially polarized TM0m modes of a dielectric waveguide-based resonator, that results from beam’s passage through a spiral phase changing plate. The work is aimed at obtaining ana...