Keio University

Presentations

Umegaki, Shinsuke

21-40 items (total 97)

A Gradually Formed Anti-Guide Structure in a Nonlinear-Optical Photoconducting Polymer.

Speaker
T.Sassa, S.Umegaki, T.Wada, H.Sasabe
Conference Title
[Conference Category International presentation] Conference Title 4th International Conference on Organic Nonlinear Optics (ICONO'4), Extended Abstracts Organizer (Chitose) Dates 1998.10 - 1998.10
Organizer
(Chitose)
Presentation Format
International presentation

Development of High-Speed Spatial Light Modulators with High Tg Poled-Polymers.

Speaker
K.Harada, K.Munakata, M.Itoh,N.Yoshikawa, S.Umegaki, T.Fukuda,H.Matsuda, T.Shiraga, M.Kato, H.Yonezu,T.Yatagai
Conference Title
[Conference Category International presentation] Conference Title 4th International Conference on Organic Nonlinear Optics (ICONO'4), Extended Abstracts Organizer (Chitose) Dates 1998.10 - 1998.10
Organizer
(Chitose)
Presentation Format
International presentation

Direct Fabrication of Electro-Optic Grating in Azo-Polymer Films.

Speaker
K.Munakata, K.Harada, N.Yoshikawa,M.Itoh, S.Umegaki, T.Yatagai
Conference Title
[Conference Category International presentation] Conference Title 4th International Conference on Organic Nonlinear Optics (ICONO'4), Extended Abstracts Organizer (Chitose) Dates 1998.10 - 1998.10
Organizer
(Chitose)
Presentation Format
International presentation

Use of High Tg Poled-Polymer for Spatial Light Modulators.

Speaker
K.Harada, K.Munakata, M.Itoh,N.Yoshikawa, S.Umegaki, T.Fukuda,H.Matsuda, T.Shiraga, M.Kato, T.Yatagai
Conference Title
[Conference Category International presentation] Conference Title International Symposium on Image Processing Molecular Systems (IPMS'98) Organizer (Tsukuba) Dates 1998.03 - 1998.03
Organizer
(Tsukuba)
Presentation Format
International presentation

Optically Functional Organic Materials for Two-Dimensional Information Processing.

Speaker
S.Umegaki
Conference Title
[Conference Category International presentation] Conference Title International Symposium on Image Processing Molecular Systems (IPMS'98) Organizer (Tsukuba) Dates 1998.03 - 1998.03
Organizer
(Tsukuba)
Invitation Status
With
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

Organic Waveguides for Frequency Conversion.

Speaker
S.Umegaki
Conference Title
[Conference Category International presentation] Conference Title International Symposium on Chemical Reaction Science '98 Organizer (Sendai) Dates 1998.01 - 1998.01
Organizer
(Sendai)
Invitation Status
With
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

Organic Crystals for Quadratic Nonlinear Optics.

Speaker
S.Umegaki
Conference Title
[Conference Category International presentation] Conference Title International Workshop on Nano-Molecular Electronics '97, O-19 Organizer (Kobe) Dates 1997.12 - 1997.12
Organizer
(Kobe)
Invitation Status
With
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

分極反転構造有機結晶MNAによる波長変換

Speaker
梅垣真祐,小松原健史,千賀達也
Conference Title
[Conference Category Domestic presentation] Dates 1997.10 - 1997.10
Presentation Format
Domestic presentation

有機結晶MNAを用いた電場誘起 チャネル型EO光変調素子

Speaker
梅垣真祐,桜井 渉
Conference Title
[Conference Category Domestic presentation] Dates 1997.10 - 1997.10
Presentation Format
Domestic presentation

有機DMNP結晶コア・ファイバーを用いたEO光変調素子

Speaker
箱崎博士,正野篤士,梅垣真祐
Conference Title
[Conference Category Domestic presentation] Dates 1997.10 - 1997.10
Presentation Format
Domestic presentation

2次有機非線形光学材料とデバイスへの応用

Speaker
梅垣真祐
Conference Title
[Conference Category Domestic presentation] Dates 1997.03 - 1997.03
Presentation Format
Domestic presentation

有機低分子材料のグラフォエピタキシャル結晶育成と2次非線形光学デバイスへの応用

Speaker
梅垣真祐
Conference Title
[Conference Category Domestic presentation] Dates 1996.11 - 1996.11
Presentation Format
Domestic presentation

Self-Organized Quasi-Phase Matching in Frequency Doubling Using Nonlinear-Optical Photoconducting Polymers.

Speaker
T.Sassa, W.Sakurai, S.Umegaki
Conference Title
[Conference Category International presentation] Conference Title Tech. Digest of Conf. On Lasers and Electro- Optics (CLEO'96), JTuE6 Organizer (Anaheim) Dates 1996.06 - 1996.06
Organizer
(Anaheim)
Presentation Format
International presentation

Inherent Problems of Organic Nonlinear-Optical Materials in Frequency Doubling.

Speaker
S.Umegaki
Conference Title
[Conference Category International presentation] Conference Title Photonics West: OE/LASE'96, A16 Organizer (San Jose) Dates 1996.01 - 1996.01
Organizer
(San Jose)
Invitation Status
With
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

Improvement of Thermal Stability of Poled Polymers Due to Hydrogen Bonding.

Speaker
A.Shono, Y.Yajima, S.Umegaki, M.Okazaki
Conference Title
[Conference Category International presentation] Conference Title 2nd International Conference on Organic Nonlinear Optics (ICONO'2), Extended Abstracts, PP09 Organizer (Kusatsu) Dates 1995.07 - 1995.07
Organizer
(Kusatsu)
Presentation Format
International presentation

Crystal Growth of Large-Area Thin Films of MNA for Quasi-Phase Matched SHG.

Speaker
S.-T.Ko, T.Senga, S.Umegaki
Conference Title
[Conference Category International presentation] Conference Title 2nd International Conference on Organic Nonlinear Optics (ICONO'2), Extended Abstracts, J09 Organizer (Kusatsu) Dates 1995.07 - 1995.07
Organizer
(Kusatsu)
Presentation Format
International presentation

Efficient Second-harmonic Generation of a TEA-CO2 Laser with Z-Fold Pumping in AgGaSe2 Bulk Crystal.

Speaker
S.Tanaka, A.Harasaki, M.Sugii, S.Umegaki
Conference Title
[Conference Category International presentation] Conference Title Tech. Digest of Conf. on Lasers and Electro- Optics (CLEO'95), CTuI22 Organizer (Baltimore) Dates 1995.05 - 1995.05
Organizer
(Baltimore)
Presentation Format
International presentation

高性能有機非線形光学材料の波長変換素子への活用法

Speaker
梅垣真祐
Conference Title
[Conference Category Domestic presentation] Dates 1994.07 - 1994.07
Presentation Format
Domestic presentation
Conference Category
Oral presentation (general)

有機2次非線形光学材料とその素子化

Speaker
梅垣真祐
Conference Title
[Conference Category Domestic presentation] Dates 1994.06 - 1994.06
Presentation Format
Domestic presentation
Conference Category
Oral presentation (general)

Toward the Device Applications of Organic Nonlinear Optical Materials.

Speaker
S.Umegaki
Conference Title
[Conference Category International presentation] Conference Title International Symposium on Non-Linear Photonics Materials: Extended Abstracts Organizer (Tokyo) Dates 1994.05 - 1994.05
Organizer
(Tokyo)
Invitation Status
With
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)