Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Siwon Song"'
Autor:
Sangjun Lee, Siwon Song, Jae Hyung Park, Seunghyeon Kim, Hyungi Byun, Jinhong Kim, Seokhyeon Jegal, Bongsoo Lee
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 12, Pp 5231-5238 (2024)
In this study, a Cherenkov radiation sensor was developed utilizing a reflector-coated liquid light guide (LLG). In the proposed configuration, a reflector replaced one of the two photomultiplier tubes (PMTs), forming the core sensing element alongsi
Externí odkaz:
https://doaj.org/article/9691ff5f17084cd2aa2b721100ed3175
Autor:
Seokhyeon Jegal, Siwon Song, Jae Hyung Park, Jinhong Kim, Seunghyeon Kim, Sangjun Lee, Cheol Ho Pyeon, Sin Kim, Bongsoo Lee
Publikováno v:
Photonics, Vol 11, Iss 10, p 936 (2024)
Radiation possesses inherent physical characteristics, such as penetrability and radionuclide energy, which enable its widespread applicability in fields such as medicine, industry, environment, security, and research. Advancements in scintillator-ba
Externí odkaz:
https://doaj.org/article/e72c8a39afcf4fc19933f6d556d13c1b
Autor:
Taeseob Lim, Siwon Song, Seunghyeon Kim, Jae Hyung Park, Jinhong Kim, Cheol Ho Pyeon, Bongsoo Lee
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 9, Pp 3401-3408 (2023)
In this study, we used the Monte Carlo N-Particle program to simulate the gamma-ray spectra obtained from plastic scintillators holes filled with bismuth nanoparticles. We confirmed that the incorporation of bismuth nanoparticles into a plastic scint
Externí odkaz:
https://doaj.org/article/ed48c9233d8a44e08ea8f625a7862a8e
Autor:
Jae Hyung Park, Siwon Song, Seunghyeon Kim, Jinhong Kim, Seunghyun Cho, Cheol Ho Pyeon, Bongsoo Lee
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 9, Pp 3206-3212 (2023)
We developed a miniaturized multi-dimensional radiation sensor system consisting of an inorganic scintillator array and plastic optical fibers. This system can be applied to remotely obtain the radioactivity distribution and identify the radionuclide
Externí odkaz:
https://doaj.org/article/498259ff73ed40548ced8f8a5eedb647
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 3, Pp 1045-1051 (2023)
In this study, we fabricated a liquid light-guide-based radiation sensor with a LaBr3:Ce scintillator for remote gamma-ray spectroscopy. We acquired the energy spectra of Cs-137 and Co-60 using the proposed sensor, estimated the energy resolutions of
Externí odkaz:
https://doaj.org/article/f8d2b43de1b140c7b06092508a81ba9f
Autor:
Siwon Song, Jae Hyung Park, Jinhong Kim, Seunghyeon Kim, Seokhyeon Jegal, Sangjun Lee, Bongsoo Lee
Publikováno v:
Photonics, Vol 11, Iss 6, p 493 (2024)
The plastic scintillation optical fiber (PSOF) detector, characterized by its large contact area with measurement targets, effectively detects and quantifies radiation in diverse radiation-contaminated areas and liquid environments. While it is exten
Externí odkaz:
https://doaj.org/article/ab74267911cf42959e42ac611367edb9
Autor:
Siwon Song, Jinhong Kim, Jae Hyung Park, Seunghyeon Kim, Taeseob Lim, Jin Ho Kim, Sin Kim, Bongsoo Lee
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 9, Pp 3398-3402 (2022)
We fabricated a 15 m long position-sensitive plastic scintillation optical fiber (PSOF) detector consisting of a PSOF, two photomultiplier tubes, four fast amplifiers, and a digitizer. A single PSOF was used as a sensing part to estimate the gamma-ra
Externí odkaz:
https://doaj.org/article/7ccf0e297eca493da2995950af453ded
Autor:
Jinhong Kim, Seunghyeon Kim, Siwon Song, Jae Hyung Park, Jin Ho Kim, Taeseob Lim, Cheol Ho Pyeon, Bongsoo Lee
Publikováno v:
Nuclear Engineering and Technology, Vol 53, Iss 10, Pp 3431-3437 (2021)
In this study, one-dimensional gamma ray source positions are estimated using a plastic scintillating optical fiber, two photon counters and via data processing with a machine learning algorithm. A nonlinear regression algorithm is used to construct
Externí odkaz:
https://doaj.org/article/cdd43f2727f44b2fbeb9fe95a3340939
Autor:
Jin Ho Kim, Seunghyeon Kim, Siwon Song, Taeseob Lim, Jae Hyung Park, Jinhong Kim, Cheol Ho Pyeon, Sung Won Hwang, Bongsoo Lee
Publikováno v:
Photonics, Vol 8, Iss 12, p 543 (2021)
In this study, we developed a remote gamma-ray spectroscopy system based on a fiber-optic radiation sensor (FORS) that is composed of an inorganic scintillator coated with reduced graphene oxide (RGO) and a plastic optical fiber (POF). As a prelimina
Externí odkaz:
https://doaj.org/article/eb552ef93d3e42c7ac778c66177e7980
Autor:
Siwon Song, Jinhong Kim, Jae Hyung Park, Seunghyeon Kim, Taeseob Lim, Jin Ho Kim, Joo Hyun Moon, Bongsoo Lee
Publikováno v:
Photonics, Vol 8, Iss 2, p 26 (2021)
We fabricated a 5 m long position-sensitive plastic scintillation optical fiber (PSOF) bundle detector composed of a sensing probe, two photomultiplier tubes (PMTs), two fast amplifiers, and a digitizer. Seven PSOFs in a bundle were used as sensing p
Externí odkaz:
https://doaj.org/article/98e69bbebc8e46b08419397879f668ec