3 papers
physics.optics2026
Tuning of Localized Surface Plasmons in Vanadium Dioxide Nanoparticles via Size and Insulator-Metal Transition
JiÅà Kabát, Rostislav Åepa, Jordan A. Hachtel +5
Vanadium dioxide has been identified as a promising phase-changing material for use in tunable plasmonic devices. In this study, we present a comprehensive modal analysis of single…
physics.optics2025
Charge reservoir as a design concept for plasmonic antennas
Rostislav Åepa, Michal Horák, Tomáš Å ikola +1
Plasmonic antennas exploit localized surface plasmons to shape, confine, and enhance electromagnetic fields with subwavelength resolution. The field enhancement is contributed to b…
cond-mat.mtrl-sci2024
Influence of deposition parameters on the plasmonic properties of gold nanoantennas fabricated by focused ion beam lithography
Michael Foltýn, Marek PatoÄka, Rostislav Åepa +2
The behavior of plasmonic antennas is influenced by a variety of factors, including their size, shape, and material. Even minor changes in the deposition parameters during the thin…