Prof. Takashi Kimura Profile

Prof. Takashi Kimura

Associate Professor at Univ of Tokyo

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Author

Publications (18)

Proceedings Article | 6 October 2023 Presentation

Combining wave-optical and ray-tracing calculations in x-ray reflective optical systems

Hidekazu Mimura, Yoko Takeo, Hiroto Motoyama, Satoru Egawa, Takashi Kimura, Yasunori Senba, Takashi Tanaka, Haruhiko Ohashi

Proceedings Volume PC12697, PC1269702 (2023) https://doi.org/10.1117/12.2678528

KEYWORDS: X-rays, X-ray optics, X-ray lasers, Synchrotron radiation, Phase distribution, Partial coherence, Mirrors, Free electron lasers

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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 | 3 October 2023 Presentation + Paper

Fabrication and surface evaluation of a high-precision monolithic mirror with complex geometry for soft x-ray focusing

T. Kume, Y. Matsuzawa, T. Saito, K. Hiraguri, Y. Takeo, T. Kimura, H. Kishimoto, Y. Senba, H. Ohashi, H. Mimura, H. Hashizume

Proceedings Volume 12694, 1269408 (2023) https://doi.org/10.1117/12.2677302

KEYWORDS: Mirrors, X-rays, Fabrication

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Proceedings Article | 4 October 2022 Presentation + Paper

Surface evaluation of high-precision monolithic mirror for soft x-ray focusing

T. Kume, Y. Matsuzawa, K. Hiraguri, Y. Takeo, T. Kimura, H. Kishimoto, Y. Senba, H. Ohashi, H. Hashizume, H. Mimura

Proceedings Volume 12240, 122400G (2022) https://doi.org/10.1117/12.2633765

KEYWORDS: Mirrors, X-rays, Profilometers, Stitching interferometry

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Proceedings Article | 4 October 2022 Presentation + Paper

Design of soft x-ray fluorescence microscopy beyond 100-nm spatial resolution with ultrashort Kirkpatrick-Baez mirror

Takenori Shimamura, Yoko Takeo, Fumika Moriya, Takashi Kimura, Mari Shimura, Yasunori Senba, Hikaru Kishimoto, Haruhiko Ohashi, Kenta Shimba, Yasuhiko Jimbo, Hidekazu Mimura

Proceedings Volume 12240, 1224004 (2022) https://doi.org/10.1117/12.2632949

KEYWORDS: Silicon, X-rays, Luminescence, Mirrors, X-ray fluorescence spectroscopy, Sensors, Aluminum, Fluorine, Fluorescence spectroscopy

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Proceedings Article | 21 August 2020 Presentation + Paper

Design of two-stage soft-X-ray nano-focusing system with a ring-focusing mirror and quasi-Wolter mirror

Yoko Takeo, Hiroto Motoyama, Takenori Shimamura, Takashi Kimura, Takehiro Kume, Yusuke Matsuzawa, Takahiro Saito, Yoichi Imamura, Hiroaki Miyashita, Kentarou Hiraguri, Hirokazu Hashizume, Yasunori Senba, Hikaru Kishimoto, Haruhiko Ohashi, Hidekazu Mimura

Proceedings Volume 11492, 114920N (2020) https://doi.org/10.1117/12.2570007

KEYWORDS: Mirrors, X-rays, Tolerancing, Monochromatic aberrations, Error analysis, X-ray technology, X-ray optics, Wavefront analysis, Optical design, Wavefront metrology

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Proceedings Article | 21 August 2020 Presentation + Paper

Design of ultrashort Kirkpatrick-Baez mirror for soft x-ray nanofocusing

Takenori Shimamura, Yoko Takeo, Takashi Kimura, Hirokazu Hashizume, Yasunori Senba, Hikaru Kishimoto, Haruhiko Ohashi, Hidekazu Mimura

Proceedings Volume 11492, 114920P (2020) https://doi.org/10.1117/12.2569845

KEYWORDS: Mirrors, X-rays, Reflectivity, X-ray optics, X-ray diffraction, X-ray microscopy, Diffraction, X-ray imaging, Light sources

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Proceedings Article | 3 October 2014 Paper

Development of a one-dimensional two-stage focusing system with two deformable mirrors

T. Goto, S. Matsuyama, H. Nakamori, T. Kimura, Y. Sano, Y. Kohmura, K. Tamasaku, M. Yabashi, T. Ishikawa, K. Yamauchi

Proceedings Volume 9208, 920802 (2014) https://doi.org/10.1117/12.2061821

KEYWORDS: Mirrors, X-rays, Deformable mirrors, Electrodes, Diffraction, Wavefronts, Actuators, Photography, 3D modeling, X-ray diffraction

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Proceedings Article | 15 October 2012 Paper

Development of piezoelectric adaptive mirror for hard x-ray nanofocusing

S. Matsuyama, T. Kimura, H. Nakamori, S. Imai, Y. Sano, Y. Kohmura, K. Tamasaku, M. Yabashi, T. Ishikawa, K. Yamauchi

Proceedings Volume 8503, 850303 (2012) https://doi.org/10.1117/12.930276

KEYWORDS: Mirrors, Deformable mirrors, X-rays, Phase retrieval, Hard x-rays, Actuators, X-ray optics, Electrodes, Wavefronts, Beam shaping

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Proceedings Article | 24 September 2010 Paper

An adaptive optical system for sub-10nm hard x-ray focusing

H. Mimura, T. Kimura, H. Yokoyama, H. Yumoto, S. Matsuyama, K. Tamasaku, Y. Koumura, M. Yabashi, T. Ishikawa, K. Yamauchi

Proceedings Volume 7803, 780304 (2010) https://doi.org/10.1117/12.862291

KEYWORDS: Mirrors, Hard x-rays, X-rays, Wavefronts, X-ray optics, Optical fiber cables, Optical alignment, Phase measurement, Adaptive optics, Control systems

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Proceedings Article | 27 August 2010 Paper

Development of a one-dimensional Wolter mirror for an advanced Kirkpatrick-Baez mirror

S. Matsuyama, T. Wakioka, H. Mimura, T. Kimura, N. Kidani, Y. Sano, Y. Nishino, K. Tamasaku, M. Yabashi, T. Ishikawa, K. Yamauchi

Proceedings Volume 7802, 780202 (2010) https://doi.org/10.1117/12.860405

KEYWORDS: Mirrors, X-rays, Satellites, Spatial frequencies, Imaging systems, Microscopes, X-ray microscopy, Image resolution, Spatial resolution, Hard x-rays

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Proceedings Article | 4 September 2008 Paper

Pure spin-current-induced magnetization switching

T. Yang, T. Kimura, J.-B. Laloë, Y. Otani

Proceedings Volume 7036, 70361B (2008) https://doi.org/10.1117/12.793903

KEYWORDS: Switching, Sensors, Copper, Magnetism, Magnetic sensors, Interfaces, Diffusion, Signal processing, Gold, Signal attenuation

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Proceedings Article | 3 September 2008 Paper

Development of adaptive mirror for wavefront correction of hard x-ray nanobeam

Takashi Kimura, Soichiro Handa, Hidekazu Mimura, Hirokatsu Yumoto, Daisuke Yamakawa, Satoshi Matsuyama, Yasuhisa Sano, Kenji Tamasaku, Yoshinori Nishino, Makina Yabashi, Tetsuya Ishikawa, Kazuto Yamauchi

Proceedings Volume 7077, 707709 (2008) https://doi.org/10.1117/12.796029

KEYWORDS: Mirrors, X-rays, Wavefronts, Ceramics, Hard x-rays, Silicon, Fizeau interferometers, X-ray optics, Optical simulations, Optical components

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Proceedings Article | 3 September 2008 Paper

Fabrication of a 400-mm-long mirror for focusing x-ray free-electron lasers to sub-100 nm

Hidekazu Mimura, Shinya Morita, Takashi Kimura, Daisuke Yamakawa, Weimin Lin, Yoshihiro Uehara, Hirokatsu Yumoto, Satoshi Matsuyama, Yoshinori Nishino, Kenji Tamasaku, Haruhiko Ohashi, Makina Yabashi, Tetsuya Ishikawa, Hitoshi Ohmori, Kazuto Yamauchi

Proceedings Volume 7077, 70770R (2008) https://doi.org/10.1117/12.795643

KEYWORDS: Mirrors, X-rays, Photography, X-ray lasers, Free electron lasers, X-ray technology, Hard x-rays, Particles, Stitching interferometry, Synchrotron technology

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Proceedings Article | 1 October 2007 Paper

Hard x-ray wavefront measurement and control for hard x-ray nanofocusing

Soichiro Handa, Hidekazu Mimura, Satoshi Matsuyama, Hirokatsu Yumoto, Takashi Kimura, Yasuhisa Sano, Kenji Tamasaku, Yoshinori Nishino, Makina Yabashi, Tetsuya Ishikawa, Kazuto Yamauchi

Proceedings Volume 6704, 670404 (2007) https://doi.org/10.1117/12.733749

KEYWORDS: Mirrors, Wavefronts, Hard x-rays, X-rays, Platinum, Metrology, Sputter deposition, Multilayers, Interferometry, Spherical lenses

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Proceedings Article | 20 September 2007 Paper

Reflective optics for sub-10nm hard x-ray focusing

H. Mimura, S. Matsuyama, H. Yumoto, S. Handa, T. Kimura, Y. Sano, K. Tamasaku, Y. Nishino, M. Yabashi, T. Ishikawa, K. Yamauchi

Proceedings Volume 6705, 67050L (2007) https://doi.org/10.1117/12.734752

KEYWORDS: Mirrors, X-rays, Multilayers, Hard x-rays, X-ray optics, Reflectivity, Reflection, Diffraction, X-ray diffraction, Optical design

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Proceedings Article | 10 May 2005 Paper

Optical metrology of patterned magnetic structures: deep versus shallow gratings

Roman Antos, Martin Veis, Eva Liskova, Mitsuru Aoyama, Jaroslav Hamrle, Takashi Kimura, Pavol Gustafik, Masahiro Horie, Jan Mistrik, Tomuo Yamaguchi, Stefan Visnovsky, Naomichi Okamoto

Proceedings Volume 5752, (2005) https://doi.org/10.1117/12.599653

KEYWORDS: Diffraction, Chromium, Silicon, Molybdenum, Nickel, Magnetism, Spectroscopy, Diffraction gratings, Atomic force microscopy, Oxides

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Proceedings Article | 10 May 1996 Paper

Widely tunable KTP optical parametric oscillator amplifier and its applications to fluorescence-lifetime measurement in Yb-doped laser materials

Hiromitsu Kiriyama, Narayanan Srinivasan, Takashi Kimura, Masanobu Yamanaka, Yasukazu Izawa, Tatsuhiko Yamanaka, Sadao Nakai, Chiyoe Yamanaka

Proceedings Volume 2700, (1996) https://doi.org/10.1117/12.239657

KEYWORDS: Luminescence, Ytterbium, Ferroelectric materials, Optical amplifiers, Optical parametric oscillators, Mirrors, Laser applications, Crystals, Absorption, Semiconductor lasers

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Showing 5 of 18 publications

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