Search Results - "Kim, Gyujin"

High-brightness self-seeded X-ray free-electron laser covering the 3.5 keV to 14.6 keV range by Nam, Inhyuk, Min, Chang-Ki, Oh, Bonggi, Kim, Gyujin, Na, Donghyun, Suh, Young Jin, Yang, Haeryong, Cho, Myung Hoon, Kim, Changbum, Kim, Min-Jae, Shim, Chi Hyun, Ko, Jun Ho, Heo, Hoon, Park, Jaehyun, Kim, Jangwoo, Park, Sehan, Park, Gisu, Kim, Seonghan, Chun, Sae Hwan, Hyun, HyoJung, Lee, Jae Hyuk, Kim, Kyung Sook, Eom, Intae, Rah, Seungyu, Shu, Deming, Kim, Kwang-Je, Terentyev, Sergey, Blank, Vladimir, Shvyd’ko, Yuri, Lee, Sang Jae, Kang, Heung-Sik

“…A self-seeded X-ray free-electron laser (XFEL) is a promising approach to realize bright, fully coherent free-electron laser (FEL) sources in the hard X-ray…”
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Resonant X-ray emission spectroscopy using self-seeded hard X-ray pulses at PAL-XFEL by Choi, Tae Kyu, Park, Jaeku, Kim, Gyujin, Jang, Hoyoung, Park, Sang Youn, Sohn, Jang Hyeob, Cho, Byoung Ick, Kim, Hyunjung, Kim, Kyung Sook, Nam, Inhyuk, Chun, Sae Hwan

“…Self-seeded hard X-ray pulses at PAL-XFEL were used to commission a resonant X-ray emission spectroscopy experiment with a von Hamos spectrometer. The…”
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Exertional Heat Stroke, Modality Cooling Rate, and Survival Outcomes: A Systematic Review by Filep, Erica M, Murata, Yuki, Endres, Brad D, Kim, Gyujin, Stearns, Rebecca L, Casa, Douglas J

“…The purpose of this systematic review is to synthesize the influence cooling modality has on survival with and without medical complications from exertional…”
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Numerical Analysis of the Combustion and Emission Characteristics of Multiple Injections by Using the Modified 2-D RIF Model by Moon, Sunyoung, Kim, Gyujin, Lee, Youngbok, Lee, Yongjoo, Min, Kyoungdoug

“…Fuel injection is one of the important operating parameters in internal combustion engines (ICEs) that strongly affects overall combustion phenomena, including…”
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Development of a Real-Time Virtual Nitric Oxide Sensor for Light-Duty Diesel Engines by Lee, Seungha, Lee, Youngbok, Kim, Gyujin, Min, Kyoungdoug

“…This study describes the development of a semi-physical, real-time nitric oxide (NO) prediction model that is capable of cycle-by-cycle prediction in a…”
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Generation of time-synchronized two-color X-ray free-electron laser pulses using phase shifters by Cho, Myung-Hoon, Kang, Teyoun, Yang, Haeryong, Kim, Gyujin, Kwon, Seong-Hoon, Moon, Kook-Jin, Nam, Inhyuk, Min, Chang-Ki, Heo, Hoon, Kim, Changbum, Kang, Heung-Sik, Shim, Chi Hyun

“…To optimize the intensity of X-ray free-electron lasers (XFELs), phase shifters, oriented in phase with the phases of the XFEL pulse and electron beam, are…”
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Numerical Analysis of the Combustion and Emission Characteristics of Diesel Engines with Multiple Injection Strategies Using a Modified 2-D Flamelet Model by Kim, Gyujin, Moon, Sunyoung, Lee, Seungha, Min, Kyoungdoug

“…The multiple injection strategy has been widely used in diesel engines to reduce engine noise, NOx and soot formation. Fuel injection developments such as the…”
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Statistical analysis of hard X‐ray radiation at the PAL‐XFEL facility performed by Hanbury Brown and Twiss interferometry by Kim, Young Yong, Khubbutdinov, Ruslan, Carnis, Jerome, Kim, Sangsoo, Nam, Daewoong, Nam, Inhyuk, Kim, Gyujin, Shim, Chi Hyun, Yang, Haeryong, Cho, Myunghoon, Min, Chang-Ki, Kim, Changbum, Kang, Heung-Sik, Vartanyants, Ivan A.

“…A Hanbury Brown and Twiss interferometry experiment based on second‐order correlations was performed at the PAL‐XFEL facility. The statistical properties of…”
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Development and operation of fiber-based radiation protection beam-loss monitor for PAL-XFEL by Jung, Nam-Suk, Kim, Min-Ho, Kim, Hee-Hoon, Shin, Dong Cheol, Kim, Gyujin, Lee, Hee-Seock

“…Beam loss monitor using a long optical fiber has been developed and operated for radiation protection in PAL-XFEL, which is an X-ray free electron laser…”
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Soft X-ray harmonic lasing self-seeded free electron laser at Pohang Accelerator Laboratory X-ray free electron laser by Nam, Inhyuk, Min, Chang-Ki, Kim, Changbum, Yang, Haeryong, Kim, Gyujin, Heo, Hoon, Kwon, Soonnam, Park, Sang Han, Kang, Heung-Sik

“…The demonstration of a harmonic lasing self-seeded free-electron laser (HLSS FEL) scheme in the soft X-ray range at the Pohang Accelerator Laboratory X-ray…”
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Author Correction: High-brightness self-seeded X-ray free-electron laser covering the 3.5 keV to 14.6 keV range by Nam, Inhyuk, Min, Chang-Ki, Oh, Bonggi, Kim, Gyujin, Na, Donghyun, Suh, Young Jin, Yang, Haeryong, Cho, Myung Hoon, Kim, Changbum, Kim, Min-Jae, Shim, Chi Hyun, Ko, Jun Ho, Heo, Hoon, Park, Jaehyun, Kim, Jangwoo, Park, Sehan, Park, Gisu, Kim, Seonghan, Chun, Sae Hwan, Hyun, HyoJung, Lee, Jae Hyuk, Kim, Kyung Sook, Eom, Intae, Rah, Seungyu, Shu, Deming, Kim, Kwang-Je, Terentyev, Sergey, Blank, Vladimir, Shvyd’ko, Yuri, Lee, Sang Jae, Kang, Heung-Sik

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Hard X‐ray self‐seeding commissioning at PAL‐XFEL by Min, Chang-Ki, Nam, Inhyuk, Yang, Haeryong, Kim, Gyujin, Shim, Chi Hyun, Ko, Jun Ho, Cho, Myung-Hoon, Heo, Hoon, Oh, Bonggi, Suh, Young Jin, Kim, Min Jae, Na, Donghyun, Kim, Changbum, Kim, Yongsam, Chun, Sae Hwan, Lee, Jae Hyuk, Kim, Jangwoo, Kim, Sunam, Eom, Intae, Kim, Seung Nam, Koo, Tae-Yeong, Rah, Seungyu, Shvyd'ko, Yuri, Shu, Deming, Kim, Kwang-Je, Terentyev, Sergey, Blank, Vladimir, Kang, Heung-Sik

“…A wake monochromator based on a large‐area diamond single crystal for hard X‐ray self‐seeding has been successfully installed and commissioned in the hard…”
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Recent Progress of the PAL-XFEL by Eom, Intae, Chun, Sae Hwan, Lee, Jae Hyuk, Nam, Daewoong, Ma, Rory, Park, Jaehyun, Park, Sehan, Park, Sang Han, Yang, Haeryong, Nam, Inhyuk, Cho, Myung Hoon, Shim, Chi Hyun, Kim, Gyujin, Min, Chang-Ki, Heo, Hoon, Kang, Heung-Sik, Kim, Changbum

“…The X-ray free-electron laser of the Pohang Accelerator Laboratory (PAL-XFEL) was opened to users in 2017. Since then, significant progress has been made in…”
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Intensity optimization of x-ray free-electron laser by using phase shifters by Shim, Chi Hyun, Yang, Haeryong, Hong, Juho, Kim, Gyujin, Kang, Heung-Sik, Cho, Myung Hoon

“…This paper presents a method that uses a gap scan of the phase shifter to optimize the intensity of a free-electron laser (FEL) by matching its phase with that…”
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Control Scheme of Phase-Shifter for Photon Energy Scan by Kim, Gyujin, Yang, Haeryong, Shim, Chi Hyun, Nam, Inhyuk, Cho, Myung Hoon, Heo, Hoon, Kim, Changbum, Min, Chang-Ki, Kang, Heung-Sik

“…Variable gap undulator widely used in X-ray free-electron laser (XFEL) enables the photon energy scan by changing its gap. A phase-shifter should be…”
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First saturation of 14.5 keV free electron laser at PAL-XFEL by Yang, Haeryong, Kim, Gyujin, Kang, Heung-Sik

“…The hard X-ray free electron laser at the Pohang Accelerator Laboratory (PAL-XFEL) in the Republic of Korea achieved a saturation of free electron laser (FEL)…”
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Hard X-ray free-electron laser with femtosecond-scale timing jitter by Kang, Heung-Sik, Min, Chang-Ki, Heo, Hoon, Kim, Changbum, Yang, Haeryong, Kim, Gyujin, Nam, Inhyuk, Baek, Soung Youl, Choi, Hyo-Jin, Mun, Geonyeong, Park, Byoung Ryul, Suh, Young Jin, Shin, Dong Cheol, Hu, Jinyul, Hong, Juho, Jung, Seonghoon, Kim, Sang-Hee, Kim, KwangHoon, Na, Donghyun, Park, Soung Soo, Park, Yong Jung, Han, Jang-Hui, Jung, Young Gyu, Jeong, Seong Hun, Lee, Hong Gi, Lee, Sangbong, Lee, Sojeong, Lee, Woul-Woo, Oh, Bonggi, Suh, Hyung Suck, Parc, Yong Woon, Park, Sung-Ju, Kim, Min Ho, Jung, Nam-Suk, Kim, Young-Chan, Lee, Mong-Soo, Lee, Bong-Ho, Sung, Chi-Won, Mok, Ik-Su, Yang, Jung-Moo, Lee, Chae-Soon, Shin, Hocheol, Kim, Ji Hwa, Kim, Yongsam, Lee, Jae Hyuk, Park, Sang-Youn, Kim, Jangwoo, Park, Jaeku, Eom, Intae, Rah, Seungyu, Kim, Sunam, Nam, Ki Hyun, Park, Jaehyun, Park, Jaehun, Kim, Sangsoo, Kwon, Soonam, Park, Sang Han, Kim, Kyung Sook, Hyun, Hyojung, Kim, Seung Nam, Kim, Seonghan, Hwang, Sun-min, Kim, Myong Jin, Lim, Chae-yong, Yu, Chung-Jong, Kim, Bong-Soo, Kang, Tai-Hee, Kim, Kwang-Woo, Kim, Seung-Hwan, Lee, Hee-Seock, Lee, Heung-Soo, Park, Ki-Hyeon, Koo, Tae-Yeong, Kim, Dong-Eon, Ko, In Soo

“…The hard X-ray free-electron laser at the Pohang Accelerator Laboratory (PAL-XFEL) in the Republic of Korea achieved saturation of a 0.144 nm free-electron…”
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Shifting perspectives: From “Epilepsy” to “Cerebroelectric Disorder” by Koh, Seungyon, Pyo, Sung-Inn, Jang, Seol, Kim, Gyujin, won Seo, Seung, Huh, Kyun, Kwon, Soon-Sun, Young Choi, Jun

“…•South Korea changed epilepsy terminology to reduce stigma and improve accuracy.•Epilepsy discourse evolved focusing on patients’ lives, challenging societal…”
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Two-dimensional tilt control of electron bunch for X-ray free electron laser by Ko, Jun Ho, Shim, Chi Hyun, Nam, Inhyuk, Na, Donghyun, Kim, Gyujin, Yang, Haeryong, Kang, Heung-Sik

“…We present a method to control the two-dimensional transverse tilt of the electron bunch originated after the bunch compressor, affecting the X-ray…”
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Effect of operating parameters on diesel/propane dual fuel premixed compression ignition in a diesel engine by Kang, Jaegu, Chu, Sanghyun, Lee, Jeongwoo, Kim, Gyujin, Min, Kyoungdoug

“…In this research, the effects of three operating parameters (Diesel injection timing, propane ratio, and exhaust gas recirculation (EGR) rates) in a…”
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