Prof. Akira Saito Profile

Prof. Akira Saito

Associate Professor at Osaka Univ.

SPIE Involvement:

Conference Program Committee | Author

Publications (18)

Proceedings Article | 9 May 2024 Presentation + Paper

Optimization of the optical diffuser inspired by Morpho butterflies for the feasible fabrication

Shuta Sakamoto, Kazuma Yamashita, Junpei Ohga, Takuma Hattori, Yuji Kuwahara, Akira Saito

Proceedings Volume 12944, 129440D (2024) https://doi.org/10.1117/12.3012280

KEYWORDS: Design, Fabrication, Transmittance, Finite-difference time-domain method, Optical properties, Nanostructures

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Proceedings Article | 18 April 2022 Presentation

Realistic design to fabricate the daylight window inspired by Morpho butterfly's optical property

Akira Saito, Kazuma Yamashita, Junpei Ohga, Takuma Hattori, Yuji Kuwahara

Proceedings Volume PC12041, (2022) https://doi.org/10.1117/12.2612564

KEYWORDS: Optical properties, Transmittance, Reflectivity, Projection systems, Numerical simulations, Nanostructures, Nanolithography, Nanoimprint lithography, Lithographic illumination, Light emitting diodes

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Proceedings Article | 22 April 2020 Presentation + Paper

Optical analysis on the Morpho butterfly’s in-plane randomness using three-dimensional FDTD simulations

Kazuma Yamashita, Yuji Kuwahara, Akira Saito

Proceedings Volume 11374, 1137406 (2020) https://doi.org/10.1117/12.2558469

KEYWORDS: Finite-difference time-domain method, Light sources, Reflectivity, Scanning electron microscopy, Optical analysis, Optical properties, Nanostructures, Photography, Refractive index, 3D metrology

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Proceedings Article | 27 March 2018 Paper

Replication of large-area Morpho-color material using flexible mold

Akira Saito, Kosei Ishibashi, Junpei Ohga, Yoshihiko Hirai, Yuji Kuwahara

Proceedings Volume 10593, 105930C (2018) https://doi.org/10.1117/12.2296532

KEYWORDS: Nanoimprint lithography, Image processing, Reflectivity, Multilayers, Glasses, Optical properties, Solids, Nanostructures, Coating, Anisotropy

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Proceedings Article | 17 April 2017 Presentation + Paper

Morpho-colored flexible film fabricated by simple mass-production method

Akira Saito, Kosei Ishibashi, Junpei Ohga, Yuji Kuwahara

Proceedings Volume 10162, 101620U (2017) https://doi.org/10.1117/12.2258638

KEYWORDS: Thin films, Nanostructures, Reflectivity, Nanolithography, Optical properties, Optical simulations, Nanoimprint lithography, Materials processing, Multilayers, Glasses, Image processing, Coating, Quartz

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Proceedings Article | 27 March 2015 Paper

Simple mass-production method of substrate-free powders for applications of the Morpho-colored materials

Akira Saito, Kosei Ishibashi, Megumi Akai-Kasaya, Yuji Kuwahara

Proceedings Volume 9429, 942912 (2015) https://doi.org/10.1117/12.2084517

KEYWORDS: Multilayers, Glasses, Reflectivity, Optical properties, Image processing, Nanoimprint lithography, Nanostructures, Quartz, Thin films, Ultraviolet radiation

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Proceedings Article | 8 April 2013 Paper

Simulation analysis on the optical role of the number of randomly arranged nano-trees on the Morpho butterfly's scale

Akira Saito, Takuto Shibuya, Masaru Yonezawa, Megumi Akai-Kasaya, Yuji Kuwahara

Proceedings Volume 8686, 86860J (2013) https://doi.org/10.1117/12.2012036

KEYWORDS: Reflectivity, Finite-difference time-domain method, Nanostructures, Optical properties, Computer simulations, Optical simulations, Numerical simulations, Optical design, Proteins, Scanning electron microscopy

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Proceedings Article | 4 April 2012 Paper

High-throughput reproduction of the Morpho butterfly's specific high contrast blue

Akira Saito, Junichi Murase, Masaru Yonezawa, Hiroyuki Watanabe, Takuto Shibuya, Mitsuo Sasaki, Takafumi Ninomiya, Shunji Noguchi, Megumi Akai-kasaya, Yuji Kuwahara

Proceedings Volume 8339, 83390C (2012) https://doi.org/10.1117/12.915255

KEYWORDS: Reflectivity, Multilayers, Optical properties, Quartz, Nickel, Scanning electron microscopy, Autoregressive models, Nanolithography, Lithography, Optical testing

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Proceedings Article | 24 February 2009 Paper

Reproduction, mass production, and control of the Morpho butterfly's blue

Akira Saito, Yusuke Miyamura, Yoko Ishikawa, Junichi Murase, Megumi Akai-Kasaya, Yuji Kuwahara

Proceedings Volume 7205, 720506 (2009) https://doi.org/10.1117/12.808574

KEYWORDS: Reflectivity, Multilayers, Optical properties, Scanning electron microscopy, Prototyping, Quartz, Nanolithography, Lithography, Refractive index, Fabrication

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Proceedings Article | 15 October 2007 Paper

Optimization of reproduced morpho-blue coloration

Akira Saito, Yoko Ishikawa, Yusuke Miyamura, Megumi Akai-Kasaya, Yuji Kuwahara

Proceedings Volume 6767, 676706 (2007) https://doi.org/10.1117/12.733954

KEYWORDS: Multilayers, Reflectivity, Optical properties, Scanning electron microscopy, Quartz, Prototyping, Nanolithography, Refractive index, Lithography, Anisotropy

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Proceedings Article | 11 September 2006 Paper

Morpho blue reproduced by nanocasting lithography

Akira Saito, Masaki Nakajima, Yusuke Miyamura, Kenji Sogo, Yoko Ishikawa, Yoshihiko Hirai

Proceedings Volume 6327, 63270Z (2006) https://doi.org/10.1117/12.679979

KEYWORDS: Reflectivity, Polymers, Quartz, Multilayers, Ultraviolet radiation, Lithography, Nanoimprint lithography, Scanning electron microscopy, Nanolithography, Optical properties

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Proceedings Article | 15 October 2004 Paper

Reproduction of the Morpho butterfly's blue: arbitration of contradicting factors

Akira Saito, Shin-ya Yoshioka, Shuichi Kinoshita

Proceedings Volume 5526, (2004) https://doi.org/10.1117/12.559086

KEYWORDS: Multilayers, Reflectivity, Scanning electron microscopy, Optical properties, Scattering, Refractive index, Light scattering, Etching, Anisotropy, Quartz

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Proceedings Article | 13 January 2004 Paper

Development of a figure correction method having spatial resolution close to 0.1 mm

Yuzo Mori, Kazuto Yamauchi, Kazuya Yamamura, Hidekazu Mimura, Yasuhisa Sano, Akira Saito, Katsuyoshi Endo, Alexei Souvorov, Makina Yabashi, Kenji Tamasaku, Tetsuya Ishikawa

Proceedings Volume 5193, (2004) https://doi.org/10.1117/12.520825

KEYWORDS: Mirrors, X-rays, X-ray imaging, Spatial resolution, X-ray technology, Optical simulations, Multispectral imaging, Particles, Interferometers, Surface finishing

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Proceedings Article | 13 January 2004 Paper

Fabrication technology of hard x-ray aspherical mirror optics and application to nanospectroscopy

Yuzo Mori, Kazuto Yamauchi, Kazuya Yamamura, Hidekazu Mimura, Yasuhisa Sano, Akira Saito, Katsuyoshi Endo, Alexei Souvorov, Makina Yabashi, Kenji Tamasaku, Tetsuya Ishikawa, Mari Shimura, Yukihito Ishizaka

Proceedings Volume 5193, (2004) https://doi.org/10.1117/12.515127

KEYWORDS: Mirrors, X-rays, X-ray fluorescence spectroscopy, Plasma, Electrodes, X-ray optics, Beam shaping, X-ray technology, Chemical reactions, Hard x-rays

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Proceedings Article | 24 December 2002 Paper

Wave-optical analysis of submicron focusing of hard x-ray beams by reflective optics

Kazuto Yamauchi, Kazuya Yamamura, Hidekazu Mimura, Yasuhisa Sano, Akira Saito, Masahiko Kanaoka, Katsuyoshi Endo, Alexei Souvorov, Makina Yabashi, Kenji Tamasaku, Tetsuya Ishikawa, Yuzo Mori

Proceedings Volume 4782, (2002) https://doi.org/10.1117/12.453752

KEYWORDS: Mirrors, X-rays, X-ray optics, Satellites, X-ray microscopy, Hard x-rays, Microscopy, Reflectivity, Wavefronts, Chromatic aberrations

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Proceedings Article | 24 December 2002 Paper

Submicron focusing of hard x-ray beam by elliptically figured mirrors for scanning x-ray microscopy

Yuzo Mori, Kazuto Yamauchi, Kazuya Yamamura, Hidekazu Mimura, Yasuhisa Sano, Akira Saito, Kazumasa Ueno, Katsuyoshi Endo, Alexei Souvorov, Makina Yabashi, Kenji Tamasaku, Tetsuya Ishikawa

Proceedings Volume 4782, (2002) https://doi.org/10.1117/12.453754

KEYWORDS: Mirrors, X-rays, Manufacturing, Hard x-rays, Plasma, Crystals, Gold, X-ray microscopy, Optics manufacturing, Stitching interferometry

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Proceedings Article | 24 December 2002 Paper

Aspheric surface fabrication in nanometer-level accuracy by numerically controlled plasma chemical vaporization machining (CVM) and elastic emission machining (EEM)

Kazuya Yamamura, Hidekazu Mimura, Kazuto Yamauchi, Yasuhisa Sano, Akira Saito, Takehiko Kinoshita, Katsuyoshi Endo, Yuzo Mori, Alexei Souvorov, Makina Yabashi, Kenji Tamasaku, Tetsuya Ishikawa

Proceedings Volume 4782, (2002) https://doi.org/10.1117/12.453749

KEYWORDS: Electrodes, Mirrors, Plasma, X-rays, Atmospheric plasma, Reflection, Aspheric lenses, Manufacturing, Crystals, Silicon

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Proceedings Article | 14 November 2001 Paper

Development of plasma chemical vaporization machining and elastic emission machining systems for coherent x-ray optics

Yuzo Mori, Y. Yamauchi, Kazuya Yamamura, Hidekazu Mimura, A. Saito, H. Kishimoto, Y. Sekito, Masahiko Kanaoka, Alexei Souvorov, Makina Yabashi, Kenji Tamasaku, Tetsuya Ishikawa

Proceedings Volume 4501, (2001) https://doi.org/10.1117/12.448496

KEYWORDS: Mirrors, Plasma, X-rays, Electrodes, Head, Surface finishing, Control systems, Sensors, Optical fabrication, Chemical species

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Showing 5 of 18 publications

Conference Committee Involvement (13)

Biologically Inspired Materials, Processes, and Systems (BIMPS) 2025

17 March 2025 | Vancouver, B.C., Canada

Bioinspiration, Biomimetics, and Bioreplication XIV

25 March 2024 | Long Beach, California, United States

Bioinspiration, Biomimetics, and Bioreplication XIII

13 March 2023 | Long Beach, California, United States

Bioinspiration, Biomimetics, and Bioreplication XII

7 March 2022 | Long Beach, California, United States

Bioinspiration, Biomimetics, and Bioreplication XI

9 March 2021 | Online Only, California, United States

Showing 5 of 13 Conference Committees

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