Dr. Hiroto Motoyama Profile

Dr. Hiroto Motoyama

at Univ of Tokyo

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Publications (9)

Proceedings Article | 8 October 2024 Presentation + Paper

Development of figure correction system for Wolter mirror for x-ray telescopes

Shutaro Mohri, Shunsuke Ito, Satoru Egawa, Hiroto Motoyama, Jianli Guo, Gota Yamaguchi, Takehiro Kume, Yusuke Matsuzawa, Hidekazu Takano, Yoshiki Kohmura, Hidekazu Mimura

Proceedings Volume 13150, 1315004 (2024) https://doi.org/10.1117/12.3028463

KEYWORDS: Mirrors, Silicon, Nozzles, Mirror surfaces, Film thickness, Surface roughness, X-rays, Parabolic mirrors, X-ray telescopes, Particles

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Proceedings Article | 4 October 2024 Presentation + Paper

Application of steeply-curved free-form x-ray mirror fabrication process to a high-precision plane surface

T. Kume, Y. Matsuzawa, Y. Imamura, K. Hiraguri, H. Motoyama, S. Egawa, H. Mimura, H. Hashizume

Proceedings Volume 13150, 1315002 (2024) https://doi.org/10.1117/12.3028501

KEYWORDS: Mirrors, Fabrication, Mirror surfaces, X-rays, Profilometers, Surface finishing

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Proceedings Article | 4 October 2023 Presentation

Two-stage soft x-ray focusing system developed at BL1 of SACLA

Hiroto Motoyama, Satoru Egawa, Gota Yamaguchi, Shigeki Owada, Takashi Kimura, Makina Yabashi, Hidekazu Mimura

Proceedings Volume PC12694, PC1269408 (2023) https://doi.org/10.1117/12.2682630

KEYWORDS: X-rays, Mirrors, Signal detection, Optical properties, Signal intensity, Nonlinear optics, X-ray lasers, Signal generators, Free electron lasers

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Proceedings Article | 7 September 2017 Paper

Three-dimensional shape measurement for x-ray ellipsoidal mirror

T. Kume, Y. Takei, S. Egawa, G. Yamaguchi, H. Motoyama, H. Mimura

Proceedings Volume 10385, 103850O (2017) https://doi.org/10.1117/12.2273666

KEYWORDS: Mirrors, X-rays, Data analysis, Metrology

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Proceedings Article | 6 September 2017 Paper

Optical design of a sub-1-μm focusing system for soft x-ray free electron lasers

Hiroto Motoyama, Shigeki Owada, Kensuke Tono, Takahisa Koyama, Haruhiko Ohashi, Makina Yabashi, Hidekazu Mimura

Proceedings Volume 10386, 1038609 (2017) https://doi.org/10.1117/12.2271282

KEYWORDS: Mirrors, X-rays, Free electron lasers, Optical design, X-ray lasers, Light sources, Diffraction, Extreme ultraviolet, Light-matter interactions, Coating

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Proceedings Article | 25 October 2016 Paper

Evaluation of figure accuracy of Wolter mirror fabricated by electroforming

Satoru Egawa, Takehiro Kume, Yoko Takeo, Yoshinori Takei, Hiroto Motoyama, Hidekazu Mimura

Proceedings Volume 9687, 968705 (2016) https://doi.org/10.1117/12.2243422

KEYWORDS: Mirrors, X-ray microscopy, Magnetorheological finishing, Phase retrieval, Wavefronts, Microscopes, Nickel, Spatial frequencies, X-rays, Objectives

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Proceedings Article | 26 August 2015 Paper

Development of ellipsoidal focusing mirror for soft x-ray and extreme ultraviolet light

Hidekazu Mimura, Yoshinori Takei, Takahiro Saito, Takehiro Kume, Hiroto Motoyama, Satoru Egawa, Yoko Takeo, Takahiro Higashi

Proceedings Volume 9588, 95880L (2015) https://doi.org/10.1117/12.2187455

KEYWORDS: Mirrors, X-rays, Extreme ultraviolet, Geometrical optics, Wavefronts, X-ray optics, Chromatic aberrations, Spatial resolution, High harmonic generation, Free electron lasers

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Proceedings Article | 27 September 2013 Paper

Optical design of soft x-ray focusing system with ellipsoidal mirror for laboratory-based sources

Hiroto Motoyama, Takahiro Saito, Hidekazu Mimura

Proceedings Volume 8848, 88480E (2013) https://doi.org/10.1117/12.2023598

KEYWORDS: Mirrors, X-rays, Optical design, Light sources, Optical simulations, Diffraction, Spherical lenses, X-ray optics, High harmonic generation, X-ray diffraction

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Proceedings Article | 27 September 2013 Paper

Development of a numerically controlled elastic emission machining system for fabricating mandrels of ellipsoidal focusing mirrors used in soft x-ray microscopy

Yoshinori Takei, Takehiro Kume, Hiroto Motoyama, Kentaro Hiraguri, Hirokazu Hashizume, Hidekazu Mimura

Proceedings Volume 8848, 88480C (2013) https://doi.org/10.1117/12.2023940

KEYWORDS: Mirrors, X-rays, Surface finishing, Nickel, X-ray microscopy, Manufacturing, Glasses, Surface roughness, Magnetorheological finishing, Polishing

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Showing 5 of 9 publications

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