Research theme for competitive and other funds (4):
2023 - 2026 High-Temperature Superconductive Tapes for Undulators
2021 - 2025 高温超伝導クランクリングを用いたアンジュレータ
2018 - 2022 スリッページ制御による自由電子レーザーの短パルス化
2010 - 2012 高温超伝導バルク磁石を用いたアンジュレータ
Papers (69):
Ryota Kinjo, Marco Calvi, Kai Zhang, Sebastian Hellmann, Xiaoyang Liang, Thomas Schmidt, Mark D. Ainslie, Anthony R. Dennis, John H. Durrell. Inverse analysis of critical current density in a bulk high-temperature superconducting undulator. Physical Review Accelerators and Beams. 2022. 25. 4
Kai Zhang, Mark Ainslie, Marco Calvi, Ryota Kinjo, Thomas Schmidt. Fully-staggered-array bulk Re-Ba-Cu-O short-period undulator: large-scale 3D electromagnetic modelling and design optimization using A-V and H-formulation methods. Superconductor Science and Technology. 2021. 34. 9. 094002-094002
Takashi Tanaka, Yuichiro Kida, Ryota Kinjo, Tadashi Togashi, Hiromitsu Tomizawa, Satoshi Hashimoto, Shuji Miyamoto, Sumiyuki Okabe, Yoshihito Tanaka. Development of an undulator with a variable magnetic field profile. Journal of Synchrotron Radiation. 2021. 28. 2. 404-409
Kai Zhang, Mark Ainslie, Marco Calvi, Sebastian Hellmann, Ryota Kinjo, Thomas Schmidt. Fast and efficient critical state modelling of field-cooled bulk high-temperature superconductors using a backward computation method. Superconductor Science and Technology. 2020. 33. 11
COD Variation in Fast-Polarization-Switching Beamline by Kicker
(Particle Accelerator Society of Japan 2018)
Radiation-induced magnetization reversal causing a large flux loss in undulator permanent magnets
(38th International Free-Electron Laser Conference 2017)
INSERTION DEVICE DEVELOPMENT FOR SPRING-8-II
(Particle Accelerator Society of Japan 2017)
Insertion Device Development for SPring-8-II
(ID Workshop 2017 2017)
Light-Weight Compact In-Vacuum Undulator for SPring-8-II
(7th International Particle Accelerator Conference (IPAC 2016) 2016)