Prof. Katsuhiko Miyamoto Profile

Prof. Katsuhiko Miyamoto

at Chiba Univ

SPIE Involvement:

Author

Publications (54)

Proceedings Article | 30 September 2024 Presentation

Cyanobacteria suspension microdot array with optical vortex induced forward transfer

Kaito Sato, Tetsuya Fukuda, Ken-ichi Yuyama, Mitsumasa Hanaoka, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume PC13126, PC1312607 (2024) https://doi.org/10.1117/12.3027346

KEYWORDS: Printing, Optical vortices, Cyanobacteria, Optical arrays, Wavefronts, Tissue engineering, Spatial resolution, Polyethylene glycol, Optical lithography, Laser applications

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Proceedings Article | 13 March 2024 Presentation

Creation of exotic structures in azopolymers with optical skyrmions

Rihito Tamura, Praveen Kumar, A. Srinivasa Rao, Kazuki Tsuda, Fanny Getzlaff, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume PC12901, PC1290105 (2024) https://doi.org/10.1117/12.2690980

KEYWORDS: Structured light, Polarization, Spatial light modulators, Quasiparticles, Optical surfaces, Angular momentum, Reflection, Physics, Optics, Interferometers

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Proceedings Article | 5 October 2023 Presentation

Generation of optical skyrmion by using a spatial light modulator with a self-interferometer configuration

Rihito Tamura, Praveen Kumar, A. Srinivasa Rao, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume PC12663, PC1266307 (2023) https://doi.org/10.1117/12.2676109

KEYWORDS: Telecommunications, Polarization, Poincare sphere, Wave plates, Quasiparticles, Physics, Optical storage, Optical communications, Magnetism, Liquid crystals

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Proceedings Article | 20 September 2023 Paper

Electron spin states on a higher-order Bloch sphere

Ken Morita, Sota Sato, Toshiki Matsumoto, Jun Ishihara, Satoshi Iba, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12606, 126061K (2023) https://doi.org/10.1117/12.3008914

KEYWORDS: Photons, Optical spheres, Quantum spin, Polarization, Quantum systems, Picosecond phenomena, Quantum wells, Quantum coherence, Angular momentum, Semiconductors

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Proceedings Article | 20 September 2023 Paper

Galaxy-shaped surface reliefs fabricated in an azo-polymer film with Laguerre-Gaussian beams

Daisuke Suzuki, Arata Tomita, Adam Vallés, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12606, 126060G (2023) https://doi.org/10.1117/12.3008332

KEYWORDS: Polarization, Optical surfaces, Superposition, Physical coherence, Optical vortices, Optical storage, Spiral phase plates, Spatial light modulators, Fabrication, Continuous wave operation

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Proceedings Article | 20 September 2023 Paper

High-definition direct print of perfect circle Au microdots by optical vortex induced forward transfer

Rong Wei, Haruki Kawaguchi, Kanta Takahashi, Keisaku Yamane, Ken-ichi Yuyama, Satoyuki Kawano, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12606, 126060V (2023) https://doi.org/10.1117/12.3008352

KEYWORDS: Printing, Optical vortices, Gold, Beam diameter, Gold nanoparticles, Inkjet technology, Gaussian beams, Wavefronts, Viscosity, Printed electronics

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Proceedings Article | 20 September 2023 Paper

Self-written microfiber waveguides with a first-order Bessel beam

Taisuke Onda, Yuto Horiuchi, Masato Kanno, Katsuhiko Miyamoto, Yoshihiko Arita, Takashige Omatsu

Proceedings Volume 12606, 126061E (2023) https://doi.org/10.1117/12.3008382

KEYWORDS: Waveguides, Bessel beams, Optical vortices, Beam diameter, Fabrication, Wave propagation, Pulsed laser operation, Wavefronts, Viscosity, Spiral phase plates

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Proceedings Article | 20 September 2023 Paper

Generation of optical skyrmion by using a spatial light modulator with a self-interferometer configuration

Rihito Tamura, Praveen Kumar, A. Srinivasa Rao, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12606, 1260617 (2023) https://doi.org/10.1117/12.3008369

KEYWORDS: Spatial light modulators, Polarization, Modulation, Telecommunications, Structured light, Poincare sphere, Physics, Optical storage, Optical communications, Magnetism

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Proceedings Article | 17 March 2023 Presentation

Metallic microdots patterning with laser-induced forward transfer

Haruki Kawaguchi, Kanta Takahashi, Rong Wei, Keisaku Yamane, Ryuji Morita, Ken-ichi Yuyama, Satoyuki Kawano, Katsuhiko Miyamoto, Nobuyuki Aoki, Takashige Omatsu

Proceedings Volume PC12408, PC124080H (2023) https://doi.org/10.1117/12.2651259

KEYWORDS: Optical lithography, Optical vortices, Wavefronts, Nanoparticles, Inkjet technology, Gold, Spatial resolution, Pulsed laser operation, Printing, Photonics

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Proceedings Article | 13 March 2023 Presentation

Terahertz wave parametric wavelength conversion monitored by spectral drill cavity

Shin'ichiro Hayashi, Seigo Ohno, Katsuhiko Miyamoto, Yoshiharu Urata, Norihiko Sekine

Proceedings Volume PC12420, PC1242007 (2023) https://doi.org/10.1117/12.2650843

KEYWORDS: Terahertz radiation, Nonlinear crystals, Nd:YAG lasers, Pyroelectric detectors, Standards development, Spatial light modulators, Physics, Phase shifts, Output couplers, Mirrors

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Proceedings Article | 8 December 2022 Paper

Direct print of close-packed gold nanoparticle microdots with optical vortex illumination

Haruki Kawaguchi, Kanta Takahashi, Rong Wei, Keisaku Yamane, Ken-ichi Yuyama, Satoyuki Kawano, Ryuji Morita, Nobuyuki Aoki, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12479, 124790J (2022) https://doi.org/10.1117/12.2659014

KEYWORDS: Optical vortices, Gold, Nanoparticles, Laser applications, Gaussian beams, Liquids, Wavefronts, Printing, Glasses, Electronic components

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Proceedings Article | 8 December 2022 Paper

Chiral surface relief formation in azo-polymers by petal beams without orbital angular momentum

Arata Tomita, Adam Vallés, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12479, 124790G (2022) https://doi.org/10.1117/12.2658799

KEYWORDS: Optical vortices, Optical storage, Spiral phase plates, Spatial light modulators, Polarization, Continuous wave operation, Superposition, Scientific research, Quantum information, Optical manipulation

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Proceedings Article | 8 December 2022 Paper

Generation of watt-level orbital Poincaré sphere modes from a self-Raman Nd:GdVO4 laser

Yuanyuan Ma, Haruna Sugahara, Andrew Lee, Helen Pask, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12479, 1247909 (2022) https://doi.org/10.1117/12.2658784

KEYWORDS: Raman spectroscopy, Poincare sphere, Crystals, Thermal effects, Raman scattering, Laser systems engineering, Laser development, Laser crystals, Wavefronts, Superposition

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Proceedings Article | 8 December 2022 Paper

Generation of higher-order vortex modes from a Pr3+:YLF laser source

A. Srinivasa Rao, Takuya Morohashi, Taku Miike, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12479, 124790F (2022) https://doi.org/10.1117/12.2658797

KEYWORDS: Laser sources, Semiconductor lasers, Laser resonators, Laser crystals, Telecommunications, Superposition, Spherical lenses, Reflection, Monochromatic aberrations, Crystals

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Proceedings Article | 8 December 2022 Paper

Microprinting of fluorescent dye droplets by optical vortex laser induced forward transfer

Ken-ichi Yuyama, Haruki Kawaguchi, Kei Umesato, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12479, 124790C (2022) https://doi.org/10.1117/12.2658793

KEYWORDS: Optical vortices, Receivers, Pulsed laser operation, Laser optics, Rhodamine B, Photomicroscopy, Spiral phase plates, Optical lithography, Gaussian beams, Liquids

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Proceedings Article | 3 October 2022 Presentation

Multi-armed chiral surface relief formation in azo-polymers with rotating petal beams (Conference Presentation)

Arata Tomita, Adam Vallés, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume PC12212, PC122120B (2022) https://doi.org/10.1117/12.2632237

KEYWORDS: Optical vortices, Wavefronts, Polarization, Optical storage, Molecules, Molecular aggregates, Chiral metamaterials, Control systems

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Proceedings Article | 3 October 2022 Presentation

Optical vortex fabrication the electroconductive microdot with close-packed gold nanoparticles (Conference Presentation)

Rong Wei, Haruki Kawaguchi, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume PC12212, PC1221204 (2022) https://doi.org/10.1117/12.2632912

KEYWORDS: Optical vortices, Nanoparticles, Gold, Nanolithography, Laser optics, Laser applications, Receivers, Printing, Wavefronts, Spatial resolution

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Proceedings Article | 7 March 2022 Poster + Presentation

Frequency controlled terahertz wave parametric generation based on spectral drill cavity

Shin'ichiro Hayashi, Yoshiharu Urata, Seigo Ohno, Katsuhiko Miyamoto, Norihiko Sekine

Proceedings Volume PC12000, PC120000M (2022) https://doi.org/10.1117/12.2607441

KEYWORDS: Terahertz radiation, Nonlinear crystals, Resonators, Nd:YAG lasers, Pyroelectric detectors, Standards development, Spatial light modulators, Physics, Phase shifts, Output couplers

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Proceedings Article | 27 October 2021 Paper

Generation of geometrical Laguerre-Gaussian modes from a Nd:GdVO4 laser with a degenerate cavity configuration

Yuanyuan Ma, Andrew Lee, Helen Pask, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 11926, 1192603 (2021) https://doi.org/10.1117/12.2615980

KEYWORDS: Laser resonators, Crystals, Optical tweezers, Optical communications, Microfabrication, Laser crystals, Diodes, Wavefronts, Superposition, Semiconductor lasers

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Proceedings Article | 27 October 2021 Paper

Vector vortex generation from Raman laser cavity

Yoshihiro Nishigata, Shun Sasaki, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 11926, 1192604 (2021) https://doi.org/10.1117/12.2615985

KEYWORDS: Neodymium, Raman spectroscopy, Laser resonators, Nd:YAG lasers, Crystals, Superposition, Sum-frequency generation, Solid state lasers, Reflectivity, Reflection

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Proceedings Article | 27 October 2021 Paper

Spiral surface relief formation with Hermite-Gaussian beams possessing zero orbital angular momentum

Arata Tomita, Adam Vallés, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 11926, 119260A (2021) https://doi.org/10.1117/12.2616008

KEYWORDS: Optical vortices, Optical storage, Spiral phase plates, Spatial light modulators, Polarization, Wavefronts, Thin films, Quantum information, Polymers, Optical manipulation

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Proceedings Article | 27 October 2021 Paper

Optical vortex induced microdroplet with a plasmonic nanocore

Haruki Kawaguchi, Kei Umesato, Kanta Takahashi, Keisaku Yamane, Ken-ichi Yuyama, Satoyuki Kawano, Katsuhiko Miyamoto, Takadhige Omatsu

Proceedings Volume 11926, 119260G (2021) https://doi.org/10.1117/12.2616033

KEYWORDS: Plasmonics, Optical vortices, Nanoparticles, Gold, Receivers, Particles, Liquids, Diffraction, Spatial resolution, Laser applications

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Proceedings Article | 1 August 2021 Presentation

Nonlinear interaction between optical vortex and cyanobacteria fragments in solution

Mitsuhiro Matsumoto, Taiki Yoshizawa, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 11812, 1181204 (2021) https://doi.org/10.1117/12.2594432

KEYWORDS: Optical vortices, Nonlinear optics, Light scattering, Waveguides, Spiral phase plates, Spatial solitons, Solitons, Scattering, Physics, Continuous wave operation

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Proceedings Article | 1 August 2021 Presentation

Plasmonic nanocore in a water microdroplet with optical vortex

Haruki Kawaguchi, Kie Umesato, Kanta Takahashi, Keisaku Yamane, Kein-ichi Yuyama, Satoyuki Kawano, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 11812, 118120C (2021) https://doi.org/10.1117/12.2594071

KEYWORDS: Plasmonics, Optical vortices, Water, Spatial resolution, Diffraction, Light-matter interactions, Wavefronts, Telecommunications, Surface enhanced Raman spectroscopy, Super resolution

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Proceedings Article | 20 August 2020 Presentation

Flower shaped surface relief of azo-polymers created by illumination of ultrafast optical vortex laser

Ami Shiraishi, Keigo Masuda, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 11477, 1147705 (2020) https://doi.org/10.1117/12.2568317

KEYWORDS: Optical vortices, Ultrafast phenomena, Laser optics, 3D optical data storage, Absorption, Optical storage, Spiral phase plates, Continuous wave operation, Wavefronts, Ultrafast lasers

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