User profiles for Sun Il Kwon
 | Sun Il KwonUniversity of California, Davis Verified email at ucdavis.edu Cited by 1148 |
Initial results of simultaneous PET/MRI experiments with an MRI-compatible silicon photomultiplier PET scanner
The most investigated semiconductor photosensor for MRI-compatible PET detectors is the
avalanche photodiode (APD). However, the silicon photomultiplier (SiPM), also called the …
avalanche photodiode (APD). However, the silicon photomultiplier (SiPM), also called the …
Ultrafast timing enables reconstruction-free positron emission imaging
X-ray and gamma-ray photons are widely used for imaging but require a mathematical
reconstruction step, known as tomography, to produce cross-sectional images from the measured …
reconstruction step, known as tomography, to produce cross-sectional images from the measured …
Dual-phase tapped-delay-line time-to-digital converter with on-the-fly calibration implemented in 40 nm FPGA
This paper describes two novel time-to-digital converter (TDC) architectures. The first is a
dual-phase tapped-delay-line (TDL) TDC architecture that allows us to minimize the clock skew …
dual-phase tapped-delay-line (TDL) TDC architecture that allows us to minimize the clock skew …
Bismuth germanate coupled to near ultraviolet silicon photomultipliers for time-of-flight PET
Bismuth germanate (BGO) was a very attractive scintillator in early-generation positron emission
tomography (PET) scanners. However, the major disadvantages of BGO are lower light …
tomography (PET) scanners. However, the major disadvantages of BGO are lower light …
Development of small-animal PET prototype using silicon photomultiplier (SiPM): initial results of phantom and animal imaging studies
Silicon photomultiplier (SiPM; also called a Geiger-mode avalanche photodiode) is a
promising semiconductor photosensor in PET and PET/MRI because it is intrinsically MRI-…
promising semiconductor photosensor in PET and PET/MRI because it is intrinsically MRI-…
A four-layer DOI detector with a relative offset for use in an animal PET system
For animal PET systems to achieve high sensitivity without adversely affecting spatial
resolution, they must have the ability to measure depth-of-interaction (DOI). In this paper, we …
resolution, they must have the ability to measure depth-of-interaction (DOI). In this paper, we …
[HTML][HTML] Chitin nanocrystals: A promising alternative to synthetic surfactants for stabilizing oil-in-water emulsions
…, JH Lee, N Al-mahbashi, MB Alameen, S Kwon… - Case Studies in …, 2023 - Elsevier
Oil-in-water emulsions are used in a variety of applications, but they are often unstable and
can break down over time due to different mechanisms such as flocculation and coalescence…
can break down over time due to different mechanisms such as flocculation and coalescence…
On timing-optimized SiPMs for Cherenkov detection to boost low cost time-of-flight PET
Objective. Recent SiPM developments and improved front-end electronics have opened new
doors in TOF-PET with a focus on prompt photon detection. For instance, the relatively high …
doors in TOF-PET with a focus on prompt photon detection. For instance, the relatively high …
[HTML][HTML] Comparative study on supervised learning models for productivity forecasting of shale reservoirs based on a data-driven approach
D Han, J Jung, S Kwon - Applied Sciences, 2020 - mdpi.com
Due to the rapid development of shale gas, a system has been established that can utilize a
considerable amount of data using the database system. As a result, many studies using …
considerable amount of data using the database system. As a result, many studies using …
Dual-ended readout of bismuth germanate to improve timing resolution in time-of-flight PET
Abstract The scintillator bismuth germanate (BGO) has attractive properties for positron
emission tomography (PET) systems such as high stopping power, high photo-fraction, and …
emission tomography (PET) systems such as high stopping power, high photo-fraction, and …