Prof. Masanori Ozaki Profile

Prof. Masanori Ozaki

at Osaka Univ

SPIE Involvement:

Conference Program Committee | Author | Editor

Publications (29)

Proceedings Article | 13 March 2024 Presentation

Optical beam-steering using liquid crystal grating with periodically ultra-violet-light-treated polyimide film

Yuji Tsukamoto, Yoshiaki Ueno, Masanori Ozaki

Proceedings Volume PC12907, PC129070A (2024) https://doi.org/10.1117/12.2688434

KEYWORDS: Liquid crystals, Optical gratings, Flat optics, Polyimides, Geometrical optics, Control systems, Wavefronts, Wave plates, Optical alignment, Modulation

Read Abstract +

Proceedings Article | 1 August 2021 Presentation

Fabrication of molecularly oriented organic semiconductor thin film utilizing its potential as a liquid crystal

Masanori Ozaki

Proceedings Volume 11807, 118070V (2021) https://doi.org/10.1117/12.2597669

KEYWORDS: Liquid crystals, Crystals, Thin films, Organic semiconductors, Polymers, Coating, Solar cells, Organic photovoltaics, Molecules, Liquids

Read Abstract +

Proceedings Article | 5 March 2021 Presentation

Field-induced reorientation of three-dimensional photonic structure based on blue phase liquid crystal for computer-generated holograms

SeongYong Cho, Hiroyuki Yoshida, Masanori Ozaki

Proceedings Volume 11707, 117070C (2021) https://doi.org/10.1117/12.2584013

KEYWORDS: Photonic crystals, Liquid crystals, Computer generated holography, Crystals, Polarization, Modulation, Holograms

Read Abstract +

Proceedings Article | 22 August 2020 Presentation

Lattice orientation control of cholesteric blue phase and Its hologram application

Masanori Ozaki, SeongYong Cho, Hiroyuki Yoshida

Proceedings Volume 11472, 1147210 (2020) https://doi.org/10.1117/12.2570536

KEYWORDS: Holograms, Holography applications, Holographic optical elements, Optical design, Polarization, Modulation, Liquid crystals

Read Abstract +

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

Read Abstract +

SPIE Journal Paper | 15 May 2018

Evaluation of ambipolar carrier mobility in alkyl-substituted phthalocyanine thin film

Yuki Nishikawa, Yuya Nakata, Shigehiro Ikehara, Akihiko Fujii, Masanori Ozaki

JPE, Vol. 8, Issue 03, 032214, (May 2018) https://doi.org/10.1117/12.10.1117/1.JPE.8.032214

KEYWORDS: Thin films, Interfaces, Excitons, Thin film solar cells, Diffusion, Pulsed laser operation, Organic semiconductors, Solar cells, Measurement devices, Molecular electronics

Read Abstract +

Proceedings Article | 8 February 2018 Paper

Three-dimensional x-ray crystal structure analysis of solution-processed oriented thin film utilizing liquid-crystalline phthalocyanine

Masashi Ohmori, Mitsuhiro Nakatani, Masaya Kurokawa, Akihiko Fujii, Masanori Ozaki

Proceedings Volume 10555, 105550D (2018) https://doi.org/10.1117/12.2288083

KEYWORDS: Thin films, X-rays, Crystals, Optical alignment, Liquid crystals, Diffraction

Read Abstract +

Proceedings Article | 21 April 2017 Presentation

Liquid crystalline composites toward organic photovoltaic application (Conference Presentation)

Yo Shimizu, Lydia Sosa-Vargas, Woong Shin, Yumi Higuchi, Hiromichi Itani, Koki Kawano, Quang Duy Dao, Akihiko Fujii, Masanori Ozaki

Proceedings Volume 10125, 101250E (2017) https://doi.org/10.1117/12.2256823

KEYWORDS: Liquid crystals, Composites, Organic photovoltaics, Liquids, Crystals, Photovoltaics, Semiconductors, Organic electronics, Electronics, Crystallography

Read Abstract +

Proceedings Article | 15 February 2017 Paper

Active liquid-crystal deflector and lens with Fresnel structure

Giichi Shibuya, Shohei Yamano, Hiroyuki Yoshida, Masanori Ozaki

Proceedings Volume 10125, 101250V (2017) https://doi.org/10.1117/12.2261113

KEYWORDS: Electrodes, Liquid crystals, Optics manufacturing, Wavefronts, Air contamination, Image segmentation, Diffraction, Manufacturing, Cameras, Microscopes

Read Abstract +

Proceedings Article | 2 November 2016 Presentation

Chiral beam splitters based on cholesteric blue phase liquid crystals (Conference Presentation)

Masanori Ozaki, Konkanok Anucha, Yuto Kawata, Shu Tanaka, Hiroyuki Yoshida

Proceedings Volume 9940, 99401A (2016) https://doi.org/10.1117/12.2237914

KEYWORDS: Beam splitters, Liquid crystals, Crystals, Laser crystals, Dichroic materials, Liquids, Finite-difference time-domain method, Optical components, Microwave radiation, Integrated circuits

Read Abstract +

Proceedings Article | 19 February 2014 Paper

Miscibility and phase separation in LC semiconductor blends

Y. Shimizu, Y. Matsuda, T. Nakao, L. Sosa-Vargas, M. Takahashi, H. Yoshida, A. Fujii, M. Ozaki

Proceedings Volume 9004, 900408 (2014) https://doi.org/10.1117/12.2042321

KEYWORDS: Liquid crystals, Semiconductors, Crystals, Molecules, Binary data, Liquids, Heterojunctions, Temperature metrology, Organic photovoltaics, P-type semiconductors

Read Abstract +

SPIE Journal Paper | 2 March 2012

Dependence of alkyl-substituent length for bulk heterojunction solar cells utilizing 1,4,8,11,15,18,22,25-octaalkylphthalocyanine

Tetsuro Hori, Yasuo Miyake, Tetsuya Masuda, Takeshi Hayashi, Kaoru Fukumura, Hiroyuki Yoshida, Akihiko Fujii, Masanori Ozaki, Yo Shimizu

JPE, Vol. 2, Issue 1, 021004, (March 2012) https://doi.org/10.1117/12.10.1117/1.JPE.2.021004

KEYWORDS: Solar cells, Heterojunctions, Photovoltaics, Thin film solar cells, External quantum efficiency, Absorbance, Crystals, Molecules, Absorption, Energy conversion efficiency

Read Abstract +

Proceedings Article | 23 February 2012 Paper

Phase measurement interferometric microscopy of stacked fishnet metamaterials

T. Matsui, A. Miura, T. Nomura, H. Fujikawa, K. Sato, N. Ikeda, D. Tsuya, M. Ochiai, Y. Sugimoto, H. Miyazaki, M. Ozaki, M. Hangyo, K. Asakawa

Proceedings Volume 8269, 82692P (2012) https://doi.org/10.1117/12.907248

KEYWORDS: Interferometry, Microscopes, Beam splitters, Phase measurement, Metamaterials, Aluminum, Silica, Fringe analysis, Microscopy, Dielectrics

Read Abstract +

Proceedings Article | 11 February 2012 Paper

Binary systems of discotic liquid crystalline semiconductors toward solution-processing thin film devices

Y. Shimizu, Y. Matsuda, F. Nekelson, Y. Miyake, H. Yoshida, A. Fujii, M. Ozaki

Proceedings Volume 8279, 82790G (2012) https://doi.org/10.1117/12.913546

KEYWORDS: Crystals, Liquid crystals, Semiconductors, Molecules, Liquids, Binary data, Thin film solar cells, P-type semiconductors, Thin film devices, Organic semiconductors

Read Abstract +

Proceedings Article | 8 September 2011 Paper

Slope efficiency characteristics of mode-hop driven tunable single-mode cholesteric liquid crystal laser

Yo Inoue, Hiroyuki Yoshida, Kenta Inoue, Yusuke Shiozaki, Hitoshi Kubo, Akihiko Fujii, Masanori Ozaki

Proceedings Volume 8114, 811415 (2011) https://doi.org/10.1117/12.893208

KEYWORDS: Liquid crystals, Liquids, Liquid crystal lasers, Tunable lasers, Positron emission tomography, Dye lasers, Finite-difference time-domain method, Quantum efficiency, Luminescence, Neodymium

Read Abstract +

Proceedings Article | 2 February 2011 Paper

Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices

Y. Miyake, T. Hori, H. Yoshida, H. Monobe, A. Fujii, M. Ozaki, Y. Shimizu

Proceedings Volume 7955, 795505 (2011) https://doi.org/10.1117/12.873717

KEYWORDS: Crystals, Liquid crystals, Liquids, Molecules, Temperature metrology, Organic semiconductors, Semiconductors, External quantum efficiency, Crystallography, Molecular self-assembly

Read Abstract +

Proceedings Article | 25 September 2007 Paper

Tunable defect modes in chiral liquid crystals based on laser-induced modulation of helix

Hiroyuki Yoshida, Chee Heng Lee, Yusuke Miura, Akihiko Fujii, Masanori Ozaki

Proceedings Volume 6640, 664008 (2007) https://doi.org/10.1117/12.733485

KEYWORDS: Polymers, Liquid crystals, Transmittance, Photonic crystals, Modulation, Ultraviolet radiation, Molecules, Confocal microscopy, Polarization, Laser crystals

Read Abstract +

Proceedings Article | 15 October 2004 Paper

Electro-tunable liquid crystal waveguide laser

Tatsunosuke Matsui, Masanori Ozaki, Katsumi Yoshino

Proceedings Volume 5518, (2004) https://doi.org/10.1117/12.557493

KEYWORDS: Waveguides, Refractive index, Molecules, Liquid crystals, Holography, Dielectrics, Numerical analysis, Anisotropy, Tunable lasers, Mirrors

Read Abstract +

Proceedings Article | 15 October 2004 Paper

Laser actions in nano-helical-structured liquid crystals

Masanori Ozaki, Ryotaro Ozaki, Tatsunosuke Matsui, Katsumi Yoshino

Proceedings Volume 5518, (2004) https://doi.org/10.1117/12.555543

KEYWORDS: Liquid crystals, Interfaces, Time division multiplexing, Composites, Modulation, Photonic crystals, Glasses, Transmittance, Laser crystals, Molecules

Read Abstract +

Proceedings Article | 5 January 2004 Paper

Tunable lasing in doped liquid crystals with one-dimensional periodic structure

Masanori Ozaki, Masahiro Kasano, Kazuhiro Funamoto, Ryotaro Ozaki, Tatsunosuke Matsui, Katsumi Yoshino

Proceedings Volume 5213, (2004) https://doi.org/10.1117/12.509184

KEYWORDS: Liquid crystals, Waveguides, Glasses, Molecules, Holography, Tunable lasers, Photonic crystals, Refractive index, Dielectrics, Dye lasers

Read Abstract +

Proceedings Article | 15 June 2001 Paper

Organic electroluminescent diodes as a light source for polymeric integrated devices

Yutaka Ohmori, Hirotake Kajii, Takahisa Tsukagawa, Katsumi Yoshino, Masanori Ozaki, Akihiko Fujii, Makoto Hikita, Satoru Tomaru, Sabro Imamura, Hisataka Takenaka, Junya Kobayashi, Fumio Yamamoto

Proceedings Volume 4279, (2001) https://doi.org/10.1117/12.429390

KEYWORDS: Waveguides, Polymers, Polymer multimode waveguides, Organic light emitting diodes, Electroluminescence, Light sources, Diodes, Telescopic pixel displays, Mirrors, OLED lighting

Read Abstract +