Presentation 1997/11/21
Evaluation of Tilt Angles of Liquid Crystal Molecules on Polyimide LB Films Using the Attenuated Total Reflection Measurement
Akira BABA, Futao KANEKO, Kazunari SHINBO, Keizo KATO, Satoshi KOBAYASHI, Takashi WAKAMATSU,
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Abstract(in English) Tilt angles of liquid crystal molecules, 5CB, have been investigated in the liquid crystal cells with the polyimide (PI) LB alignment films on the aluminum electrodes using the attenuated total reflection (ATR) measurement. The ATR properties were evaluated from the surface plasmon polariton and the guided wave excitation modes when various DC voltages were applied to the cell. The tilt angles of the liquid crystal molecules were calculated by fitting the theoretical ATR curves to the experimental ones using some kinds of models. Furthermore, the electric field intensities in the cell were calculated at several incident angles of the laser beam in the ATR curves. The ATR measurement is very useful to evaluate aligning properties of liquid crystal molecules in liquid crystal cells.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) ATR / Surface plasmon polariton / Guided wave excitation mode / PI LB film / 5CB liquid crystal / Tilt angle
Paper # OME97-95
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Committee OME
Conference Date 1997/11/21(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Evaluation of Tilt Angles of Liquid Crystal Molecules on Polyimide LB Films Using the Attenuated Total Reflection Measurement
Sub Title (in English)
Keyword(1) ATR
Keyword(2) Surface plasmon polariton
Keyword(3) Guided wave excitation mode
Keyword(4) PI LB film
Keyword(5) 5CB liquid crystal
Keyword(6) Tilt angle
1st Author's Name Akira BABA
1st Author's Affiliation Department of Electrical and Electronic Engineering, Niigata University()
2nd Author's Name Futao KANEKO
2nd Author's Affiliation Department of Electrical and Electronic Engineering, Niigata University
3rd Author's Name Kazunari SHINBO
3rd Author's Affiliation Department of Electrical and Electronic Engineering, Niigata University
4th Author's Name Keizo KATO
4th Author's Affiliation Department of Electrical and Electronic Engineering, Niigata University
5th Author's Name Satoshi KOBAYASHI
5th Author's Affiliation Department of Electrical and Electronic Engineering, Niigata University
6th Author's Name Takashi WAKAMATSU
6th Author's Affiliation Department of Electronic and Information Engineering, Ibaraki National College of Technology
Date 1997/11/21
Paper # OME97-95
Volume (vol) vol.97
Number (no) 394
Page pp.pp.-
#Pages 6
Date of Issue