3 papers
physics.optics2024
Ptychographic lensless coherent endomicroscopy through a flexible fiber bundle
Gil Weinberg, Munkyu Kang, Wonjun Choi +2
Conventional fiber-bundle-based endoscopes allow minimally invasive imaging through flexible multi-core fiber (MCF) bundles by placing a miniature lens at the distal tip and using…
physics.optics2022
Wave propagation dynamics inside a complex scattering medium by the temporal control of backscattered waves
Ye-Ryoung Lee, Wonjun Choi, Seungwon Jeong +3
Shaping the wavefront of an incident wave to a complex scattering medium has demonstrated interesting possibilities, such as sub-diffraction wave focusing and enhancing light energ…
physics.optics2019
Near-field imaging beyond the probe aperture limit
Eunsung Seo, Young-Ho Jin, Wonjun Choi +7
Near-field scanning optical microscopy has been an indispensable tool for designing, characterizing and understanding the functionalities of diverse nanoscale photonic devices. As…