3 papers
physics.optics2026
Experimental Investigation of Surface Passivation Chemistries for Optical Nanotweezers
Maxwell T. Ugwu, Kewei Li, Abayomi Opadele +2
Nanotweezers are actively investigated as a powerful means to reversibly trap and characterize nanoparticles with profound biological and environmental importance. To ensure that t…
physics.optics2025
Engineering thermal emission with enhanced emissivity and quality factor using bound states in the continuum and electromagnetically-induced absorption
Guodong Zhu, Ikjun Hong, Theodore Anyika +5
Metal-based thermal metasurfaces exhibit stable spectral characteristics under temperature fluctuations, in contrast to more traditional gray- and near black-bodies, as well as som…
physics.optics2024
Rapid Trapping and Label-free Characterization of Single Nanoscale Extracellular Vesicles and Nanoparticles in Solution
Ikjun Hong, Chuchuan Hong, Theodore Anyika +5
Achieving high-throughput, comprehensive analysis of single nanoparticles to determine their size, shape, and composition is essential for understanding particle heterogeneity with…