Hiroto Motoyama

モトヤマヒロト | Hiroto Motoyama

Affiliation and department：

Research field (3)： Optical engineering and photonics , Manufacturing and production engineering , Quantum beam science

Research keywords (7)： EUV/軟X線集光 , EUV非線形光学 , 波面計測 , EUVレーザー加工 , X線自由電子レーザー , High-order harmonic generation , X-ray optics

Research theme for competitive and other funds (4)：

Papers (37)：

Katsuhiro Mikami, Masahiko Ishino, Hiroto Motoyama, Thanh-Hung Dinh, Shunya Yokomae, Gota Yamaguchi, Satoru Egawa, Kazuyuki Sakaue, Hidekazu Mimura, Takeshi Higashiguchi, et al. Sub-nanometer scale depth patterning on sapphire crystal by femtosecond soft x-ray laser pulse irradiation. Optics Letters. 2023. 48. 19. 5041-5041
Satoru Egawa, Yusuke Matsuzawa, Kentaro Hiraguri, Hiroto Motoyama, Gota Yamaguchi, Shunya Yokomae, Yoshinori Takei, Takehiro Kume, Shigeki Owada, Kensuke Tono, et al. Figure correction of a Wolter mirror master mandrel by organic abrasive machining. Review of Scientific Instruments. 2023. 94. 5
Hiroto Motoyama, Atsushi Iwasaki, Hidekazu Mimura, Kaoru Yamanouchi. Submicron structures created on Ni thin film by submicron focusing of femtosecond EUV light pulses. Applied Physics Express. 2023. 16. 1. 016503-016503
Gota Yamaguchi, Hiroto Motoyama, Shigeki Owada, Yuya Kubota, Satoru Egawa, Takehiro Kume, Yoko Takeo, Makina Yabashi, Hidekazu Mimura. Copper electroforming replication process for soft x-ray mirrors. Review of Scientific Instruments. 2021. 92. 12. 123106-123106
Yoko Takeo, Hiroto Motoyama, Takenori Shimamura, Takashi Kimura, Takehiro Kume, Yusuke Matsuzawa, Takahiro Saito, Yoichi Imamura, Hiroaki Miyashita, Kentaro Hiraguri, et al. A highly efficient nanofocusing system for soft x rays. Applied Physics Letters. 2020. 117. 15. 151104-151104

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MISC (7)：

本山央人, 江川悟, 山口豪太, 木村隆志, 三村秀和. SACLA BL1における軟X線FEL集光・結像システムの開発. SPring-8/SACLA利用者情報. 2023. 28. 2. 108-112
ミラーによる軟 X 線レーザー集光技術. 2021. 775. 24-27
本山央人, 三村秀和. 軟 X 線集光ミラーの開発と応用. ぶんせき. 2021. 629-633
本山央人, 岩崎純史, 三村秀和, 山内薫. 極端紫外域高次高調波フェムト秒パルスの微小集光によるサブミクロン加工. 光アライアンス. 2021. 52-55
本山央人, 岩崎純史, 三村秀和, 山内薫. フェムト秒レーザの高次高調波による微細加工技術の開発. レーザー加工学会誌. 2021. 110-112

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Patents (2)：

Lectures and oral presentations (13)：

Development of tight focusing optics in the XUV wavelength region for investigation of multiphoton ionization of atoms and molecules
(Pacifhichem2021 2021)
Development of sub-micron soft x-ray free-electron laser focusing system at SACLA
(International Conference on X-ray Optics, Detectors, Sources, and their Applications 2021 (XOPT2021) 2021)
Soft X-ray focusing using ellipsoidal mirrors
(The 15th Symposium of Japanese Research Community on X-ray Imaging Optics 2019)
Sub-micron focusing of soft x-ray free-electron lasers at SACLA
(International Young Researchers Workshop on Synchrotron Radiation Science 2019 2019)
Submicron soft x-ray FEL focusing system with an ellipsoidal mirror
(SPIE 2019 SPIE Optics+Optoelectronics 2019)

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Education (4)：

2015 - 2018 The University of Tokyo Graduate School of Engineering Precision Engineering
2013 - 2015 The University of Tokyo Graduate School of Engineering Precision Engineering
2011 - 2013 The University of Tokyo Department of Engineering Precision Engineering
2009 - 2011 The University of Tokyo

Work history (5)：

2023/04 - 現在東京大学先端科学技術研究センター超精密製造科学分野特任講師
2020/01 - 2023/03 The University of Tokyo Graduate School of Science, Department of Chemistry Assistant Professor
2018/04 - 2023/03 理化学研究所放射光科学総合研究センター XFEL研究開発部門ビームライン研究開発グループビームライン開発チーム客員研究員
2018/04 - 2020/01 The University of Tokyo Graduate School of Science, Center for Ultrafast Intense Laser Science Project assistant professor
2015/04 - 2018/03 日本学術振興会特別研究員(DC1)

Awards (4)：

Association Membership(s) (3)：

精密工学会 , 日本化学会 , 日本放射光学会

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