223 citations · 771 across the 17 of their papers we have counts for
18 papers
Dielectric-tensor reconstruction of highly scattering birefringent samples
Herve Hugonnet, Moosung Lee, Seungwoo Shin +1
Many important microscopy samples, such as liquid crystals, biological tissue, or starches, are birefringent in nature. They scatter light differently depending on the light polari…
Regularization of dielectric tensor tomography using total variation
Herve Hugonnet, Seungwoo Shin, Yongkeun Park
Dielectric tensor tomography reconstructs the three-dimensional dielectric tensors of microscopic objects and provides information about the crystalline structure orientations and…
Spatially multiplexed dielectric tensor tomography
Juheon Lee, Seungwoo Shin, Herve Hugonnet +1
Dielectric tensor tomography (DTT) enables the reconstruction of three-dimensional (3D) dielectric tensors, which provides a physical measure of 3D optical anisotropy. Herein, we p…
3D Fourier transformation light scattering for reconstructing extend angled resolved light scattering of individual particles
Khoi Phuong Dao, Kyeoreh Lee, Yuri Hong +4
We represent three-dimensional Fourier transform light scattering, a method to reconstruct angle-resolved light scattering (ARLS) with extended angle-range from individual spherica…
Computational Approach to Dark-Field Optical Diffraction Tomography
Taean Chang, Seungwoo Shin, Moosung Lee +1
The measurement of three-dimensional (3D) images and the analysis of subcellular organelles are crucial for the study of the pathophysiology of cells and tissues. Optical diffracti…
Reference-free polarization-sensitive quantitative phase imaging using singe-point optical phase conjugation
Seungwoo Shin, Kyeoreh Lee, Zahid Yaqoob +2
We propose and experimentally demonstrate a method of polarization-sensitive quantitative phase imaging using two photo detectors. Instead of recording wide-field interference patt…
Low-coherent optical diffraction tomography by angle-scanning illumination
KyeoReh Lee, Seungwoo Shin, Zahid Yaqoob +2
We propose and experimentally demonstrate temporally low-coherent optical diffraction tomography (ODT) based on angle-scanning Mach-Zehnder interferometry. Using a digital micromir…
Generalized quantification of three-dimensional resolution in optical diffraction tomography using the projection of maximal spatial bandwidths
Chansuk Park, Seungwoo Shin, Yongkeun Park
Optical diffraction tomography (ODT) is a three-dimensional (3D) quantitative phase imaging technique, which enables the reconstruction of the 3D refractive index (RI) distribution…
Optical measurements of three-dimensional microscopic temperature distributions around gold nanorods excited by surface plasmonics
JunTaek Oh, Gu-Haeng Lee, Jinsung Noh +4
The measurement and control of the temperature in microscopic systems, which are increasingly required in diverse applications, are fundamentally important. Yet, the measurement of…
Super-resolution three-dimensional fluorescence and optical diffraction tomography of live cells using structured illumination generated by a digital micromirror device
Seungwoo Shin, Doyeon Kim, Kyoohyun Kim +1
We present a multimodal approach for measuring the three-dimensional (3D) refractive index (RI) and fluorescence distributions of live cells by combining optical diffraction tomogr…
Reference-Free Single-Point Holographic Imaging and Realization of an Optical Bidirectional Transducer
Seungwoo Shin, KyeoReh Lee, YoonSeok Baek +1
One of the fundamental limitations in photonics is the lack of a bidirectional transducer that can convert optical information into electronic signals or vice versa. In acoustics o…
Reconstructions of refractive index tomograms via discrete algebraic reconstruction technique
Moosung Lee, Seungwoo Shin, YongKeun Park
Optical diffraction tomography (ODT) provides three-dimensional refractive index (RI) tomograms of a transparent microscopic object. However, because of the finite numerical apertu…
Generalized image deconvolution by exploiting spatially variant point spread functions
SangYun Lee, Kyeoreh Lee, Seungwoo Shin +1
An optical imaging system forms an object image by recollecting light scattered by the object. However, intact optical information of the object delivered through the imaging syste…
Time-multiplexed structured illumination using a DMD for optical diffraction tomography
Kyeoreh Lee, Kyoohyun Kim, Geon Kim +2
We present a novel illumination control technique for optical diffraction tomography (ODT). Various spatial frequencies of beam illumination were controlled by displaying time-aver…
The effects of spatiotemporal coherence on interferometric imaging
Seungwoo Shin, Kyoohyun Kim, KyeoReh Lee +2
Illumination coherence plays a major role in various imaging systems, from microscopy, metrology, digital holography, optical coherence tomography, to ultrasound imaging. Here, we…
Optical diffraction tomography techniques for the study of cell pathophysiology
Kyoohyun Kim, Jonghee Yoon, Seungwoo Shin +3
Three-dimensional imaging of biological cells is crucial for the investigation of cell biology, provide valuable information to reveal the mechanisms behind pathophysiology of cell…
Optical diffraction tomography using a digital micromirror device for stable measurements of 4-D refractive index tomography of cells
Seungwoo Shin, Kyoohyun Kim, Taeho Kim +4
Optical diffraction tomography (ODT) is an interferometric microscopy technique capable of measuring 3-D refractive index (RI) distribution of transparent samples. Multiple 2-D hol…
Active illumination using a digital micromirror device for quantitative phase imaging
Seungwoo Shin, Kyoohyun Kim, Jonghee Yoon +1
We present a powerful and cost-effective method for active illumination using a digital micromirror device (DMD) for quantitative phase imaging techniques. Displaying binary illumi…