研究発表 - 梅垣 真祐
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Correlation between Second- and Third-Order Nonlinear-Optical Susceptibility Based on Electronic Polarization.
T. Iwamura, T. Aihara, T. Fujihara, S. Umegaki, R. Morita, H. Ito
6th International Conference on Organic Nonilinear Optics (ICONO ‘6), PS28 (Tucson),
2001年12月 -
Formation of an Anti-Guide Structure and Observation of Enhanced SHG in Photorefractive Materials.
T. Fujihara, M. Tokuue, S. Umegaki, T. Sassa, M. Yokoyama
International Conference on Photo-Responsive Organics and Polymers 2001 (ICPOP ’01), TuA9 (Seoul),
2001年08月 -
高速電場変調高分子による3次元動画表示
梅垣真祐、渡辺敏行
第1回高分子エレクトロニクス研究会(高分子学会),
2001年06月 -
Organic Crystal Growth in Guided- Wave Devices for Quadratic Nonlinear Optics.
S. Umegaki, T. Fujihara, M. Kobayashi
The 1st Asian Conference on Crystal Growth and Crystal Technology (CGCT-1),F-D-10 (Sendai),
2000年08月,口頭発表(招待・特別)
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Formation of Anti-Guide Structure in a Photorefractive Polymer by a Pump-Light Beam.
T. Fujihara, T. Sassa, K. Ozawa,S. Umegaki, M. Yokoyama, T. Wada,H. Sasabe
5th International Conference on Organic Nonilinear Optics (ICONO ‘5), B5 (Davos),
2000年03月 -
Theory for Self-Enhancement of Second-Harmonic Generation in a Photorefractive Polymer Based on Formation of an Anti-Guide Structure.
T. Sassa, T. Fujihara, K. Ozawa, S. Umegaki, M. Yokoyama, T. Wada, H. Sasabe
5th International Conference on Organic Nonilinear Optics (ICONO ‘5), B13 (Davos),
2000年03月 -
Device Fabrication Using Organic Nonlinear Optical Materials.
S. Umegaki
3rd International Symposium (Joint Meeting of ICRS International Symposium and ICRS Conference) (Sendai),
1999年11月,口頭発表(招待・特別)
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Fabrication of Organic Optical Waveguides.
S. Umegaki
ICRS International Symposium on Future Aspects for Photonics Technology (Sendai),
1999年11月,口頭発表(招待・特別)
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Poled Polymer Spatial Light Modulator and Their Application to Optical Computing.
T. Yatagai, K. Harada, K. Munakata, S. Umegaki, M.Itoh
Chitose International Forum on Photonic Science, Extended Abstracts, S5-3 (Chitose),
1999年10月,口頭発表(招待・特別)
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Organic Crystals for Electro-Optic Modulations of Light.
S. Umegaki, Y. Koyata, H. Hakozaki
Chitose International Forum on Photonic Science, Extended Abstracts, S5-2 (Chitose),
1999年10月,口頭発表(招待・特別)
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Direct Fabrication of Surface Relief Electro-Optic Gratings in Azo-Polymer Films.
K. Munakata, K.Harada, N. Yoshikawa, M.Itoh, S. Umegaki, T. Yatagai
CLEO/Pacific Rim ’99 (Seoul),
1999年08月 -
有機二次非線形光学結晶に対する三次非線形の評価
梅垣真祐
産業科学技術第6回 非線形光電子材料シンポジウム (通産省),
1999年03月 -
Fabrication of Channel Waveguide and Submicron χ(2) Grating byDirect Electron-Beam Writing Method in Azo-Dye-Doped and Substituted Polymer.
Y. Che, O. Sugihara, C. Egami, N. Okamoto,S. Umegaki
3rd Japan-France Joint Forum (JFJF’3), O-4 (Paris),
1998年11月 -
Direct Fabrication of Electro-Optic Grating in Azo-Polymer Films.
K.Munakata, K.Harada, N.Yoshikawa,M.Itoh, S.Umegaki, T.Yatagai
4th International Conference on Organic Nonlinear Optics (ICONO'4), Extended Abstracts,
1998年10月,(Chitose)
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Development of High-Speed Spatial Light Modulators with High Tg Poled-Polymers.
K.Harada, K.Munakata, M.Itoh,N.Yoshikawa, S.Umegaki, T.Fukuda,H.Matsuda, T.Shiraga, M.Kato, H.Yonezu,T.Yatagai
4th International Conference on Organic Nonlinear Optics (ICONO'4), Extended Abstracts,
1998年10月,(Chitose)
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A Gradually Formed Anti-Guide Structure in a Nonlinear-Optical Photoconducting Polymer.
T.Sassa, S.Umegaki, T.Wada, H.Sasabe
4th International Conference on Organic Nonlinear Optics (ICONO'4), Extended Abstracts,
1998年10月,(Chitose)
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Use of High Tg Poled-Polymer for Spatial Light Modulators.
K.Harada, K.Munakata, M.Itoh,N.Yoshikawa, S.Umegaki, T.Fukuda,H.Matsuda, T.Shiraga, M.Kato, T.Yatagai
International Symposium on Image Processing Molecular Systems (IPMS'98),
1998年03月,(Tsukuba)
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Optically Functional Organic Materials for Two-Dimensional Information Processing.
S.Umegaki
International Symposium on Image Processing Molecular Systems (IPMS'98),
1998年03月,口頭発表(招待・特別), (Tsukuba)
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Organic Waveguides for Frequency Conversion.
S.Umegaki
International Symposium on Chemical Reaction Science '98,
1998年01月,口頭発表(招待・特別), (Sendai)
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Organic Crystals for Quadratic Nonlinear Optics.
S.Umegaki
International Workshop on Nano-Molecular Electronics '97, O-19,
1997年12月,口頭発表(招待・特別), (Kobe)