activity
20192026
most citedAll-optical continuous tuning of phase-change plasmonic metasurfaces for multispectral thermal imaging

165 citations · 242 across the 5 of their papers we have counts for

collaborators

5 papers

astro-ph.IM2026

Mechanisms of Electrostatic Charge Formation and Retention in Lunar Regolith

Minhyeok Kim, Hyun Jung Kim, Sang H. Choi +1

As the Artemis program advances toward the lunar south pole and permanently shadowed regions (PSRs), understanding lunar charging is increasingly important for protecting astronaut…

physics.ins-det2021

Automated real-time spectral characterization of phase-change tunable optical filters using a linear variable filter and infrared camera

David Bombara, Calum Williams, Stephen Borg +1

Actively tunable optical filters based on chalcogenide phase-change materials (PCMs) are an emerging technology with applications across chemical spectroscopy and thermal imaging.…

physics.optics2020

PCM-net: A refractive index database of chalcogenide phase change materials for tunable nanophotonic device modelling

Hyun Jung Kim, Jung-woo Sohn, Nina Hong +2

Recently, chalcogenide glass based phase change materials (PCMs) have shown utility as a tuning material for a range of nanophotonic devices. Owing to their low loss, ultrafast swi…

physics.optics2020★ 77 cited

Tunable mid-wave infrared Fabry-Perot bandpass filters using phase-change GeSbTe

Calum Williams, Nina Hong, Matthew Julian +2

We demonstrate spectrally-tunable Fabry-Perot bandpass filters operating across the MWIR by utilizing the phase-change material GeSbTe (GST) as a tunable cavity medium between two…

physics.optics2019★ 165 cited

All-optical continuous tuning of phase-change plasmonic metasurfaces for multispectral thermal imaging

Matthew N. Julian, Calum Williams, Stephen Borg +2

Actively tunable, narrowband spectral filtering across arbitrary optical wavebands is highly desirable in a plethora of applications, from chemical sensing, hyperspectral imaging t…