Prof. Hirotsugu Kikuchi Profile

Prof. Hirotsugu Kikuchi

Professor at Kyushu Univ

SPIE Involvement:

Conference Program Committee | Author | Editor

Proceedings Article | 30 September 2024 Presentation

Polarization direction on the surface of alignment films of ferroelectric nematic liquid crystal

Masanori Ozaki, Mirokazu Kamifuji, Kazuma Nakajima, Mahiro Makise, Hirotsugu Kikuchi

Proceedings Volume PC13121, PC131210K (2024) https://doi.org/10.1117/12.3028652

KEYWORDS: Liquid crystals, Polarization, Polyimides, Mirrors

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Proceedings Article | 1 March 2019 Presentation + Paper

A fluid liquid crystal with ferroelectric-like order

Hiroya Nishikawa, Kazuya Shiroshita, Hiroki Higuchi, Yasushi Okumura, Yasuhiro Haseba, Shin-ichi Yamamoto, Koki Sago, Hirotsugu Kikuchi

Proceedings Volume 10941, 1094106 (2019) https://doi.org/10.1117/12.2507189

KEYWORDS: Second-harmonic generation, Dielectrics, Liquid crystals, Dielectric polarization, Polarization, Anisotropy, LCDs, Switching, Signal detection, Interferometry

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Proceedings Article | 14 September 2018 Paper

Three-dimensional crystal orientation of blue phase liquid crystals on surfaces

H. Yoshida, M. Takahashi, T. Ohkawa, J.-i. Fukuda, H. Kikuchi, M. Ozaki

Proceedings Volume 10735, 107350I (2018) https://doi.org/10.1117/12.2323159

KEYWORDS: Liquid crystals, Electro optics, Phase modulation, Polymers, Birefringence, Diffraction

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Proceedings Article | 8 February 2018 Paper

Numerical calculation of Kossel diagrams of cholesteric blue phases

Jun-ichi Fukuda, Yasushi Okumura, Hirotsugu Kikuchi

Proceedings Volume 10555, 105550A (2018) https://doi.org/10.1117/12.2286290

KEYWORDS: Liquid crystals, Maxwell's equations, Refractive index, Dielectrics, Reflectivity, Light scattering, Polarization

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Proceedings Article | 7 March 2016 Paper

Calculation of confocal microscope images of cholesteric blue phases

Jun-ichi Fukuda, Yasushi Okumura, Hirotsugu Kikuchi

Proceedings Volume 9769, 976906 (2016) https://doi.org/10.1117/12.2209210

KEYWORDS: Confocal microscopy, Microscopes, Maxwell equations, Nanostructuring, Maxwell's equations, Liquid crystals, Dielectrics, Electromagnetic radiation, Magnetism, Refractive index

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Proceedings Article | 15 October 2004 Paper

Fast electro-optical effect in polymer-stabilized blue phases

Hirotsugu Kikuchi, Yoshiaki Hisakado, Kiminori Uchida, Toshihiko Nagamura, Tisato Kajiyama

Proceedings Volume 5518, (2004) https://doi.org/10.1117/12.555975

KEYWORDS: Polymers, Electro optics, Liquid crystals, Electro optic polymers, Temperature metrology, Birefringence, Reflection, Molecules, Ultraviolet radiation, Diffraction

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Proceedings Article | 11 April 1997 Paper

High-speed memory switching of liquid crystalline copolymer/low molecular weight liquid crystal composite systems

Tisato Kajiyama, Hirokazu Yamane, Hirotsugu Kikuchi

Proceedings Volume 3015, (1997) https://doi.org/10.1117/12.271387

KEYWORDS: Composites, Liquid crystals, Binary data, Switching, Temperature metrology, Crystals, Electro optical systems, Electro optics, Polymers, Liquids

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Proceedings Article | 24 April 1995 Paper

Sharp steepness of molecular reorientation for nematics containing liquid crystalline polymer

Hirotsugu Kikuchi, Shigeru Kibe, Tisato Kajiyama

Proceedings Volume 2408, (1995) https://doi.org/10.1117/12.207508

KEYWORDS: Liquid crystals, Composites, Crystals, Liquids, Molecules, Polymers, Capacitance, X-ray diffraction, Scattering, Electro optics

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Proceedings Article | 4 April 1994 Paper

Polymer-LC molecules interaction in the composite system and its electro-optical effects

Tisato Kajiyama, Osama Yonekura, Jun-ichiro Nishiwaki, Hirotsugu Kikuchi

Proceedings Volume 2175, (1994) https://doi.org/10.1117/12.172110

KEYWORDS: Composites, Polymers, Molecules, Liquid crystals, Dielectrics, Polymer thin films, Electro optic polymers, Electro optics, Light scattering, Dielectric polarization

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Proceedings Article | 13 August 1993 Paper

Phase-separated structure--electro-optical property relationships of polymer/liquid-crystal composite film

Tisato Kajiyama, Kwan-sun Park, Fumihiko Usui, Hirotsugu Kikuchi, Atsushi Takahara

Proceedings Volume 1911, (1993) https://doi.org/10.1117/12.151211

KEYWORDS: Composites, Light scattering, Polymers, Liquid crystals, Polymer thin films, Transmittance, Electro optics, Scanning electron microscopy, Electro optic polymers, Photodiodes

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Proceedings Article | 13 August 1993 Paper

Photoresponsive electro-optical effect of liquid crystalline polymer/low-molecular-weight liquid crystal composite system

Tisato Kajiyama, Hirotsugu Kikuchi, Kimiaki Nakamura

Proceedings Volume 1911, (1993) https://doi.org/10.1117/12.151210

KEYWORDS: Composites, Liquid crystals, Ultraviolet radiation, Electro optics, Crystals, Polymers, Liquids, Molecules, Transmittance, Electro optic polymers

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Proceedings Article | 15 June 1992 Paper

Polymer/(liquid crystal) composite systems for novel electro-optical effects

Tisato Kajiyama, Hirotsugu Kikuchi, Atsushi Takahara

Proceedings Volume 1665, (1992) https://doi.org/10.1117/12.60374

KEYWORDS: Composites, Liquid crystals, Polymers, Light scattering, Polymer thin films, Electro optic polymers, Electro optics, Dielectrics, Transmittance, Crystals

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