Search Results - "Joo, Youngdo"

Review of technical achievements in PAL-XFEL by Kim, Changbum, Park, Sung-Ju, Min, Chang-Ki, Hu, Jinyul, Kim, Sang-Hee, Joo, Youngdo, Heo, Hoon, Kim, Dong-Eon, Lee, Sojeong, Kang, Heung-Sik, Ko, In Soo, Chae, Moonsik, Lee, Jaehyun

“…The X-ray Free Electron Laser of Pohang Accelerator Laboratory (PAL-XFEL) was opened for the user in 2017. PAL-XFEL was the third XFEL facility in the world…”
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A new RF window designed for high-power operation in an S-band LINAC RF system by Joo, Youngdo, Kim, Seung-Hwan, Hwang, Woonha, Ryu, Jiwan, Roh, Sungjoo

“…A new RF window is designed for high-power operation at the Pohang Light Source-II (PLSII) S-band linear accelerator (LINAC) RF system. In order to reduce the…”
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Development of new S-band RF window for stable high-power operation in linear accelerator RF system by Joo, Youngdo, Lee, Byung-Joon, Kim, Seung-Hwan, Kong, Hyung-Sup, Hwang, Woonha, Roh, Sungjoo, Ryu, Jiwan

“…For stable high-power operation, a new RF window is developed in the S-band linear accelerator (Linac) RF systems of the Pohang Light Source-II (PLS-II) and…”
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Development of new S-band RF window for S-band RF system of Pohang Light Source-II linear accelerator by Youngdo Joo, Woonha Hwang, Seung-Hwan Kim, Byung-Joon Lee

“…The RF windows have been used in the Pohang Accelerator Laboratory, Pohang Light Source-II (PLS-II) must meet the conditions for operating at a peak power of…”
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Development of new S-band SLED for PAL-XFEL Linac by Joo, Youngdo, Park, Yongjung, Heo, Hoon, Heo, Jinyul, Park, Sung-Soo, Kim, Sang-Hee, Kim, Kwang-Hoon, Kang, Heung-Sik, Lee, Heung-Soo, Noh, Sungju, Oh, Kyoungmin

“…In order to achieve beam acceleration to the beam energy of 10GeV at the end of its 716m-long linear accelerator (Linac), the Pohang Accelerator Laboratory…”
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Measurement of resonance modes causative of beam position monitor signal noise in vacuum chamber of storage ring by Joo, Youngdo, Hwang, Ilmoon, Park, Sungju, Kim, Changbum

“…It is known that the position reading obtained from the beam position monitor (BPM) mounted at the storage ring can be corrupted by the resonance mode. We…”
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Design of shunt structure to control transverse electric resonance modes in vacuum chamber of storage ring by Joo, Youngdo, Kim, Changbum, Hwang, Ilmoon, Ha, Taekyun

“…It is a significant issue to control the unwanted transverse electric (TE) modes in the vacuum chamber for preventing the position reading noise from the beam…”
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Emission test of electron emitter using easy-replaceable-emitter test bench by Byung-Joon Lee, Seung-Hwan Kim, Hyung-Sup Kong, Youngeun Seok, Moosnag Kim, Youngdo Joo, Woosang Lee, Joonho So

“…The emission test is conducted using an easy-replaceable-emitter emitter test bench. A simple cylindrical button type emitter with the diameter of 6 mm is…”
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A 400-mA Stable Beam Store with a Superconducting RF System at the PLS-II by Sohn, Younguk, Joo, Young-do, Yu, In-ha, Chun, Myung-hwan, Park, In-soo

“…At Pohang Light Source (PLS)-II, superconducting RF cavities, which are used energy compensators and make up for the energy loss by emitting synchrotron…”
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Design study of a new SLED system with a biplanar 3-dB power divider and dual side-wall coupling-irises for the PAL XFEL by Joo, Youngdo, Lee, Heung-Soo, Hwang, Woonha, Park, Youngjung, Oh, Kyoungmin, Lee, Byung-Joon

“…The Stanford Linear Accelerator Energy Doubler (SLED) system for the PAL (Pohang Accelerator Laboratory) XFEL (X-ray Free Electron Laser) is required to…”
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High-power test of the new 3-dB power splitter for the PAL XFEL S-band LINAC RF system by Joo, Youngdo, Park, Yongjung, Heo, Hoon, Hu, Jinyul, Park, Sung-Soo, Kim, Sang-Hee, Hwang, Woonha, Moon, Gun-Young, Lee, Sosung, Lee, Heung-Soo, Noh, Sungju, Oh, Kyoungmin

“…The 3-dB power splitter to be used in the Pohang Accelerator Laboratory X-ay Free-electron Laser (PAL XFEL), which have been under construction since 2011,…”
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High-power test of a new Bethe-hole directional coupler for the PAL XFEL S-band linac RF system by Joo, Youngdo, Park, Yongjung, Heo, Hoon, Hu, Jinyul, Park, Sung-Soo, Kim, Sang-Hee, Hwang, Woonha, Moon, Gun-Young, Lee, Sosung, Lee, Heung-Soo, Noh, Sungju, Oh, Kyoungmin

“…The directional coupler to be used in the Pohang Accelerator Laboratory X-ray free electron laser (PAL XFEL) under construction since 2011 must satisfy the…”
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The low level RT control system of PLS-II storage ring at 400 mA 3.0 GeV by Yu, Inha, Chun, Myunghwan, Joo, Youngdo, Park, Insoo, Sohn, Younguk, Lee, Mujin, Park, Sehwan, Shin, Seunghwan

“…The RF system for the Pohang Light Source (PLS) storage ring was greatly upgraded for PLS-II project of 400mA, 3.0GeV from 200mA, 2.5GeV. Three…”
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A fuzzy relational approach to cognitive structures of an urban knowledge-based system by Joo, Youngdo

“…The development of computer-based modeling systems has allowed the operationalization of cognitive science issues. Artificial intelligence, the emulation of…”
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