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Refractive-index tomography of opaque tissue from its own backscattered light
Tran Dinh Hoang, Jaecheol Cho, Thi Van Anh Nguyen +9
The refractive index (RI) is an intrinsic, label-free marker of a living cell's dry mass and subcellular morphology, and hence of its physiological state. Its three-dimensional (3D…
Decoding angular light paths for solving the inverse scattering problem
Kalpak Gupta, Dinh Hoang Tran, Sungsam Kang +5
Multiple scattering in complex media scrambles the deterministic mapping between input and output fields, limiting wave control and imaging. Conventional inverse scattering strateg…
Multiphoton super-resolution imaging via virtual structured illumination
Sumin Lim, Sungsam Kang, Jin-Hee Hong +6
Imaging in thick biological tissues is often degraded by sample-induced aberrations, which reduce image quality and resolution, particularly in super-resolution techniques. While h…
Synthetic aperture phase imaging of second harmonic generation field with computational adaptive optics
Jungho Moon, Sungsam Kang, Jin Hee Hong +2
Second-harmonic generation (SHG) microscopy provides label-free imaging of biological tissues with unique contrast mechanisms, but its resolution is limited by the diffraction limi…
Acousto-optic volumetric gating for reflection-mode deep optical imaging within a scattering medium
Hakseok Ko, Junghoon Kim, Jin-Hee Hong +4
The imaging depth of deep-tissue optical microscopy is governed by the performance of the gating operation that suppresses the multiply scattered waves obscuring the ballistic wave…
High-throughput volumetric adaptive optical imaging using compressed time-reversal matrix
Hojun Lee, Seokchan Yoon, Pascal Loohuis +3
Deep-tissue optical imaging suffers from the reduction of resolving power due to tissue-induced optical aberrations and multiple scattering noise. Reflection matrix approaches reco…