Dr. Tatsuo Wada Profile

Dr. Tatsuo Wada

Research Scientist at RIKEN

SPIE Involvement:

Author

Publications (25)

Proceedings Article | 21 August 2009 Paper

Dynamic control of liquid-crystalline helical structures with the aid of light- and temperature-driven multi-stable chiral materials

Masuki Kawamoto, Natsuki Shiga, Takuya Aoki, Tatsuo Wada

Proceedings Volume 7414, 74140E (2009) https://doi.org/10.1117/12.825867

KEYWORDS: Liquid crystals, System on a chip, Americium, Modulation, Phase shift keying, Absorption, Temperature metrology, Molecules, Ultraviolet radiation, Molecular machines

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Proceedings Article | 13 September 2007 Paper

Photoinduced twisting behavior of chiral cyclic compounds

Masuki Kawamoto, Takuya Aoki, Tatsuo Wada

Proceedings Volume 6653, 66530K (2007) https://doi.org/10.1117/12.737575

KEYWORDS: Liquid crystals, Ultraviolet radiation, Molecular machines, Thin films, Molecules, Cesium, Carbonates, Solids, Chromatography, Silica

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Proceedings Article | 26 October 2004 Paper

9-(2-ethylhexyl)carbazole for carrier transport and photorefractive materials

Tetsuya Aoyama, Jean-Charles Ribierre, Takafumi Sassa, Takashi Kobayashi, Tsuyoshi Muto, Tatsuo Wada

Proceedings Volume 5521, (2004) https://doi.org/10.1117/12.559242

KEYWORDS: Polymers, Luminescence, Chromophores, Liquids, Excimers, Absorption, Glasses, Electrodes, Electro optics, Optoelectronics

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Proceedings Article | 15 October 2004 Paper

Second- and third-order nonlinear properties of chiral phthalocyanine films

Tsuyoshi Muto, Takafumi Sassa, Tetsuya Aoyama, Mutsumi Kimura, Hirofusa Shirai, Tatsuo Wada

Proceedings Volume 5517, (2004) https://doi.org/10.1117/12.559340

KEYWORDS: Absorption, Second-harmonic generation, Active optics, Thin films, Nonlinear optics, Molecules, Crystals, Diffraction, Polymethylmethacrylate, Silica

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Proceedings Article | 15 October 2004 Paper

Third-order nonlinear optical properties of soluble Cr(III)-dioxolene complexes

Shin-ichiro Noro, Takafumi Sassa, Tetsuya Aoyama, Ho-Chol Chang, Susumu Kitagawa, Tatsuo Wada

Proceedings Volume 5517, (2004) https://doi.org/10.1117/12.559114

KEYWORDS: Chromium, Absorption, Chlorine, Nonlinear optics, Bromine, Thin films, Coating, Solid state electronics, Metals, Magnetism

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Proceedings Article | 8 December 2003 Paper

Photorefractive properties of conjugated carbazole polymers

Tetsuya Aoyama, Takafumi Sassa, Nicolai Mooren, Yoshihiro Imase, Atsushi Gunji, Takeyuki Sone, Masayoshi Tabata, Takashi Okubo, Tadaoki Mitani, Tatsuo Wada

Proceedings Volume 5216, (2003) https://doi.org/10.1117/12.510805

KEYWORDS: Polymers, Optical properties, Optoelectronics, Molecules, Absorption, Luminescence, Ionization, Electroluminescence, Optical parametric oscillators, Chromophores

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Proceedings Article | 10 November 2003 Paper

NLO properties of chiral phthalocyanine films

Tsuyoshi Muto, Tatsuo Wada, Takafumi Sassa, Mutsumi Kimura, Hirofusa Shirai

Proceedings Volume 5212, (2003) https://doi.org/10.1117/12.510798

KEYWORDS: Absorption, Thin films, Crystals, Molecules, Nonlinear optics, Diffraction, Silica, Near infrared, Copper, Molecular aggregates

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Proceedings Article | 16 January 2002 Paper

Thermally stimulated current and electro-optic responses in stable photorefractive polymers

Tetsuya Aoyama, Takafumi Sassa, Hiroyuki Sasabe, Tatsuo Wada

Proceedings Volume 4462, (2002) https://doi.org/10.1117/12.452733

KEYWORDS: Polarization, Photorefractive polymers, Polymers, Electro optics, Absorbance, Temperature metrology, Modulation, Refractive index, Thermodynamics, Glasses

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Proceedings Article | 13 November 2000 Paper

Synthesis and properties of monolithic photorefractive carbazole-derived calix[4]arenes

Atsushi Gunji, Hiromi Kimura-Suda, Takafumi Sassa, Hiroyuki Sasabe, Tatsuo Wada

Proceedings Volume 4104, (2000) https://doi.org/10.1117/12.406478

KEYWORDS: Nonlinear optics, Chromophores, Molecules, Photorefraction, X-ray diffraction, Polymers, Second-harmonic generation, Bromine, Calorimetry, Polymer thin films

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Proceedings Article | 11 October 1999 Paper

Anisotropy of third-order nonlinear optical responses in fluorescein derivatives by electroabsorption spectroscopy

Taeyong Noh, Takashi Isoshima, Takeshi Ogawa, Tatsuo Wada, Hiroyuki Sasabe

Proceedings Volume 3796, (1999) https://doi.org/10.1117/12.368270

KEYWORDS: Absorption, Polarization, Anisotropy, Bromine, Chlorine, Polarizability, Spectroscopy, Molecules, Optical amplifiers, Signal detection

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Proceedings Article | 11 October 1999 Paper

Anisotropy of third-order nonlinear optical responses in metallophthalocyanine aggregates

Takashi Isoshima, Hideyuki Watanabe, Koji Ishizaki, Tatsuo Wada, Hiroyuki Sasabe

Proceedings Volume 3796, (1999) https://doi.org/10.1117/12.368300

KEYWORDS: Absorption, Polarization, Anisotropy, Molecules, Excitons, Molecular interactions, Molecular aggregates, Polymethylmethacrylate, Physics, Thin films

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Proceedings Article | 16 December 1998 Paper

Linear, macrocyclic, and hyperbranched polymers for electroluminescent applications

Xu Tang Tao, Yadong Zhang, Shinichiro Maruyama, Tatsuo Wada, Hiroyuki Sasabe, H. Suzuki, Tetsuya Watanabe, Seizo Miyata

Proceedings Volume 3476, (1998) https://doi.org/10.1117/12.332622

KEYWORDS: Polymers, Electroluminescence, Light emitting diodes, Absorption, Ionization, Glasses, Luminescence, Molecules, Thin films, External quantum efficiency

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Proceedings Article | 29 October 1998 Paper

Phase measurement of second-harmonic generation in Langmuir-Blodgett films

Hiromi Kimura-Suda, Tatsuo Wada, Wei Liang, Hiroo Nakahara, Hiroyuki Sasabe

Proceedings Volume 3474, (1998) https://doi.org/10.1117/12.328583

KEYWORDS: Second-harmonic generation, Phase measurement, Oscillators, Anisotropy, Molecules, Chromophores, Nonlinear optics, Glasses, Thin films, Chlorine

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Proceedings Article | 23 October 1998 Paper

Photorefractive effect from photo-induced orientation of a novel carbazole derivative

Takafumi Sassa, Tetsuya Aoyama, Yadong Zhang, Tatsuo Wada, Hiroyuki Sasabe

Proceedings Volume 3471, (1998) https://doi.org/10.1117/12.328151

KEYWORDS: Energy transfer, Polymers, Molecules, Photorefraction, Glasses, Polarization, Birefringence, Image processing, Diffusion, Modulation

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Proceedings Article | 13 October 1997 Paper

Photoconductive and electro-optic responses in multifunctional carbazole polymers

Tetsuya Aoyama, Tatsuo Wada, Yadong Zhang, Hiroyuki Sasabe, Keisuke Sasaki

Proceedings Volume 3147, (1997) https://doi.org/10.1117/12.279305

KEYWORDS: Electro optics, Polymers, Photorefractive polymers, Absorption, Chromophores, Polymethylmethacrylate, Signal detection, Electro optic polymers, Photorefraction, Reflection

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Proceedings Article | 9 October 1997 Paper

Monolithic photorefractive materials

Tatsuo Wada, Yadong Zhang, Hiroyuki Sasabe

Proceedings Volume 3144, (1997) https://doi.org/10.1117/12.290239

KEYWORDS: Polymers, Chromophores, Electro optics, Photorefraction, Four wave mixing, Diffraction, Absorption, Crystals, Second-harmonic generation, Photorefractive polymers

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Proceedings Article | 1 November 1996 Paper

Polarization dependence of transient absorption change in vanadylphthalocyanine

Takashi Isoshima, Nicola Pfeffer, Minquan Tian, Tatsuo Wada, Hiroyuki Sasabe

Proceedings Volume 2852, (1996) https://doi.org/10.1117/12.256176

KEYWORDS: Absorption, Polarization, Picosecond phenomena, Molecules, Anisotropy, Optical amplifiers, Diffusion, Physics, Telescopes, Laser beam diagnostics

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Proceedings Article | 15 May 1994 Paper

Metallophthalocyanine: aggregation and nonlinear optics

Tatsuo Wada, Hiroyuki Sasabe

Proceedings Volume 2143, (1994) https://doi.org/10.1117/12.173816

KEYWORDS: Absorption, Molecular aggregates, Polymers, Molecules, Waveguides, Second-harmonic generation, Nonlinear optics, Thin films, Molecular interactions, Complex systems

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Proceedings Article | 15 May 1994 Paper

Electroabsorption of metallophthalocyanines

Tatsuo Wada, Shuichi Yanagi, Hiroshi Kobayashi, Jayant Kumar, Hiroyuki Sasabe, Keisuke Sasaki

Proceedings Volume 2143, (1994) https://doi.org/10.1117/12.173818

KEYWORDS: Absorption, Molecular aggregates, Molecules, Polymethylmethacrylate, Thin films, Molecular interactions, Polymers, Nonlinear optics, Waveguides, Lead

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Proceedings Article | 25 February 1993 Paper

Polymeric channel waveguides: fabrication, linear and nonlinear optical properties

Takayuki Imai, Haruki Okawa, Tatsuo Wada, Hiroyuki Sasabe

Proceedings Volume 1775, (1993) https://doi.org/10.1117/12.139219

KEYWORDS: Waveguides, Polymers, Polymer multimode waveguides, Refractive index, Channel waveguides, Wave propagation, Glasses, Nonlinear optics, Silver, Interferometry

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Proceedings Article | 25 February 1993 Paper

Nonlinear optical properties of photoconductive materials

Tatsuo Wada, Yadong Zhang, Yoon Choi, Hiroyuki Sasabe

Proceedings Volume 1775, (1993) https://doi.org/10.1117/12.139205

KEYWORDS: Polymers, Crystals, Nonlinear crystals, Molecules, Thin films, Electroactive polymers, Chromophores, Organic materials, Polymethylmethacrylate, Polymer thin films

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Proceedings Article | 25 February 1993 Paper

All-optical switching in a directional coupler with organic materials

Akimasa Kaneko, Akira Ito, Takashi Kuwabara, Seimi Sasaki, Keisuke Sasaki, Jason Sokoloff, Tatsuo Wada, Hiroyuki Sasabe

Proceedings Volume 1775, (1993) https://doi.org/10.1117/12.139221

KEYWORDS: Waveguides, Switching, Directional couplers, Organic materials, Nonlinear optics, Sapphire lasers, Quartz, Nd:YAG lasers, Refractive index, Absorption

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Proceedings Article | 1 December 1991 Paper

Third-order optical nonlinearities and femtosecond responses in metallophthalocyanine thin films made by vacuum deposition, molecular beam epitaxy, and spin coating

Tatsuo Wada, Masahiro Hosoda, Anthony Garito, Hiroyuki Sasabe, A. Terasaki, Takayoshi Kobayashi, Hiroaki Tada, Atsushi Koma

Proceedings Volume 1560, (1991) https://doi.org/10.1117/12.50715

KEYWORDS: Thin films, Excitons, Organic materials, Femtosecond phenomena, Molecular beam epitaxy, Polymers, Absorption, Molecules, Nonlinear optics, Complex systems

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Proceedings Article | 1 December 1990 Paper

Photonics and organic nanostructures

Hiroyuki Sasabe, Tatsuo Wada, Masahiro Hosoda, Haruki Okawa, Mitsuhiko Hara, Akira Yamada, Anthony Garito

Proceedings Volume 1337, (1990) https://doi.org/10.1117/12.22931

KEYWORDS: Crystals, Organic materials, Nonlinear crystals, Waveguides, Polymers, Silica, Molecular beam epitaxy, Nonlinear optics, Molecules, Thin films

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Proceedings Article | 1 December 1990 Paper

Enhancements in third-order optical properties of phthalocyanine thin films

Masahiro Hosoda, Tatsuo Wada, Akira Yamada, Anthony Garito, Hiroyuki Sasabe

Proceedings Volume 1337, (1990) https://doi.org/10.1117/12.22935

KEYWORDS: Silica, Thin films, Absorption, Polymethylmethacrylate, Nonlinear optics, Organic materials, Optical properties, Harmonic generation, Molecules, Fringe analysis

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