3 papers
physics.optics2026
Chem-SIM: Super-resolution Chemical Imaging via Photothermal Modulation of Structured-Illumination Fluorescence
Dashan Dong, Danchen Jia, Xinyan Teng +6
Structured illumination microscopy (SIM) has attained high spatiotemporal delineation of subcellular architecture, yet offers limited insight into chemical composition. We develop…
physics.optics2026
Transfer-Function Approach to Substrate-Enhanced Diffraction Tomography
Tongyu Li, Yi Shen, Dashan Dong +4
Forward and backward scattering provide complementary volumetric and interfacial information, yet conventional three-dimensional (3D) imaging typically accesses only one. In this L…
physics.optics2025
Mid-Infrared Photothermal Relaxation Intensity Diffraction Tomography for Video-rate Volumetric Chemical Imaging
Danchen Jia, Dashan Dong, Tongyu Li +5
Three-dimensional molecular imaging of living cells is essential for unraveling cellular metabolism and response to therapies. However, existing volumetric methods, including fluor…