User profiles for Sangyeob Han

sangyeob han

School of Electronics Engineering, Kyungpook National University, Daegu 702-701, South …
Verified email at knu.ac.kr
Cited by 418

Fully waterproof two-axis galvanometer scanner for enhanced wide-field optical-resolution photoacoustic microscopy

J Lee, S Han, D Seong, J Lee, S Park… - Optics letters, 2020 - opg.optica.org
A large field-of-view and fast scanning of photoacoustic microscopy (PAM) relatively have
been difficult to obtain due to the water-drowned structure of the system for the transmission of …

High-speed and high-SNR photoacoustic microscopy based on a galvanometer mirror in non-conducting liquid

JY Kim, C Lee, K Park, S Han, C Kim - Scientific reports, 2016 - nature.com
Optical-resolution photoacoustic microscopy (OR-PAM), a promising microscopic imaging
technique with high ultrasound resolution and superior optical sensitivity, can provide …

Optical coherence tomography as a non-invasive tool for plant material characterization in agriculture: A review

…, S Kim, JA Luna, RE Wijesinghe, D Seong, S Han… - Sensors, 2023 - mdpi.com
Characterizing plant material is crucial in terms of early disease detection, pest control,
physiological assessments, and growth monitoring, which are essential parameters to increase …

[HTML][HTML] Three-dimensional reconstructing undersampled photoacoustic microscopy images using deep learning

D Seong, E Lee, Y Kim, S Han, J Lee, M Jeon, J Kim - Photoacoustics, 2023 - Elsevier
Spatial sampling density and data size are important determinants of the imaging speed of
photoacoustic microscopy (PAM). Therefore, undersampling methods that reduce the number …

Fast industrial inspection of optical thin film using optical coherence tomography

MF Shirazi, K Park, RE Wijesinghe, H Jeong, S Han… - Sensors, 2016 - mdpi.com
An application of spectral domain optical coherence tomography (SD-OCT) was demonstrated
for a fast industrial inspection of an optical thin film panel. An optical thin film sample …

Dynamic compensation of path length difference in optical coherence tomography by an automatic temperature control system of optical fiber

D Seong, S Han, D Jeon, Y Kim, RE Wijesinghe… - IEEE …, 2020 - ieeexplore.ieee.org
Optical fiber is widely used in optical coherence tomography (OCT) to propagate light precisely
with low attenuation and low dispersion. However, the total optical path length within the …

[HTML][HTML] Target ischemic stroke model creation method using photoacoustic microscopy with simultaneous vessel monitoring and dynamic photothrombosis induction

D Seong, S Yi, S Han, J Lee, S Park, YH Hwang, J Kim… - Photoacoustics, 2022 - Elsevier
The ischemic stroke animal model evaluates the efficacy of reperfusion and neuroprotective
strategies for ischemic injuries. Various conventional methods have been reported to induce …

Efficient Assessment of Tumor Vascular Shutdown by Photodynamic Therapy on Orthotopic Pancreatic Cancer Using High-Speed Wide-Field Waterproof …

J Lee, S Han, TB Thapa Magar, P Gurung… - International Journal of …, 2024 - mdpi.com
To identify the vascular alteration by photodynamic therapy (PDT), the utilization of high-resolution,
high-speed, and wide-field photoacoustic microscopy (PAM) has gained enormous …

Biocompatibility evaluation of bioprinted decellularized collagen sheet implanted in vivo cornea using swept‐source optical coherence tomography

…, S Park, RE Wijesinghe, J Lee, S Han… - Journal of …, 2019 - Wiley Online Library
Corneal transplantation by full‐thickness penetrating keratoplasty with human donor tissue
is a widely accepted treatment for damaged or diseased corneas. Although corneal …

Optical interferometric fringe pattern-incorporated spectrum calibration technique for enhanced sensitivity of spectral domain optical coherence tomography

S Han, RE Wijesinghe, D Jeon, Y Han, J Lee, J Lee… - Sensors, 2020 - mdpi.com
Depth-visualizing sensitivity can be degraded due to imperfect optical alignment and non-equidistant
distribution of optical signals in the pixel array, which requires a measurement of …