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Dive into the research topics where Keiji Tsuda is active.

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Featured researches published by Keiji Tsuda.


Applied Physics Letters | 2003

Nonlinear optical effect of organic crystal heterostructures of benzylidene-aniline derivatives by two-step molecular-beam heteroepitaxy

Tomoya Yamashiki; Seiji Fukuda; Keiji Tsuda; Tetsuya Gotoh

A nonlinear optical waveguide with organic crystals based on 4′-nitrobenzyliden-3acetamino-4-methoxyaniline (MNBA) and its derivative was fabricated by organic molecular-beam epitaxy and operated as an electro-optic (EO) device. It has been proved that an EO coefficient r11 of MNBA significantly depends on the thickness of the 4′-nitrobenzyliden3-ethylcarbonylamino-4-methoxyaniline (MNBA–Et) homoepitaxial layer. Insertion of a thicker MNBA–Et homoepitaxial layer enlarges r11 of MNBA heteroepitaxial layer from 30 to more than 150 pm/V.


Archive | 1997

LCD with spacers having particular characteristics including compression stress

Junji Kajita; Keiji Tsuda; Hideo Ido; Hideshi Nomura; Shinichi Yamada; Tetsuya Goto


Archive | 1997

Color liquid crystal display apparatus for producing a display having a high contrast and a wide visual field angle

Keiji Tsuda; Shinichi Yamada; Tetsuya Goto; Kunihiro Hatanaka


Optics Letters | 2003

Low-loss waveguides of benzylidene-aniline derivatives by organic molecular beam heteroepitaxy

Tomoya Yamashiki; Keiji Tsuda


Archive | 1997

Liquid crystal display element substrate and liquid crystal display including the elements

Junji Kajita; Keiji Tsuda; Hideo Ido; Hideshi Nomura; Shinichi Yamada; Tetsuya Goto


Japanese Journal of Applied Physics | 2000

Heteroepitaxial Growth of 4′-Nitorobenzylidene-3-Acetamino-4-Methoxyaniline on the Single Crystal of 4′-Nitrobenzyliden-3-Ethylcarbonylamino-4-Methoxyaniline

Tomoya Yamashiki; Keiji Tsuda


Archive | 1997

In-plane-switching (IPS) mode liquid crystal display having a patterned resin spacer.

Keiji Tsuda; Shinichi Yamada; Tetsuya Goto; Kunihiro Hatanaka


Japanese Journal of Applied Physics | 2002

Structural Change at the Interface of 4'-Nitrobenzylidene-3-Acetamino-4-Methoxyaniline Heteroepitaxial Layer Grown on 4'-Nitrobenzylidene-3-Ethylcarbonylamino-4-Methoxyaniline by Microprobe Laser Raman Spectroscopy

Tomoya Yamashiki; Keiji Tsuda


Japanese journal of applied physics. Pt. 1, Regular papers & short notes | 2002

Structural Change at the Interface of 4'-Nitrobenzylidene-3-Acetamino-4-Methoxyaniline Heteroepitaxial Layer Grown on 4'-Nitrobenzylidene-3-Ethylcarbonylamino-4-Methoxyaniline by Microprobe Laser Raman Spectroscopy(Atoms, Molecules, and Chemical Physics)

Tomoya Yamashiki; Keiji Tsuda


Japanese Journal of Applied Physics | 2001

Stress Measurements of Polished Surface of 4'-Nitrobenzylidene-3-Ethylcarbonylamino-4-Methoxyaniline Single Crystal by Laser Raman Spectroscopy : Atoms, Molacules, and Chemical Physics

Tomoya Yamashiki; Keiji Tsuda

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