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Paper Abstract and Keywords
Presentation 2016-01-29 16:55
Control of light transmission through the Nematic liquid crystal using ultrasound
Satoki Taniguchi, Yuki Shimizu, Akira Emoto, Daisuke Koyama (Doshisha Univ.), Kentaro Nakamura (Tokyo Tech), Mami Matsukawa (Doshisha Univ.) US2015-107
Abstract (in Japanese) (See Japanese page) 
(in English) Nematic liquid crystals are widely used in optical devices such as liquid crystal displays. In this report, we propose a novel control technique of the orientation of nematic liquid crystals using ultrasound, and the optical characteristics were investigated. An ultrasonic liquid crystal cell was fabricated; a liquid crystal layer with the thickness of 5 to 25 m was sandwiched between two rectangular glass plates having two ultrasonic PZT transducers. By exciting the PZT transducers, the flexural vibration modes were generated on the liquid crystal cell. The acoustic radiation force to the liquid crystal layer was generated, and the molecular orientation was changed, resulting the drastic changes of the light transmission. The distributions of the transmitted light and the vibrational amplitude of the glass substrate were correlated. By changing the ultrasonic driving frequency and voltage, the spatial distribution of the molecular orientation of the liquid crystal could be controlled. The distribution of the transmitted light intensity depends on the thickness of the liquid crystal layer since the acoustic field in the liquid crystal layer is changed due to the orientational film.
Keyword (in Japanese) (See Japanese page) 
(in English) Nematic liquid crystal / Control of molecular orientaion / Flexural vibration / Acousitc radiation force / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 423, US2015-107, pp. 135-138, Jan. 2016.
Paper # US2015-107 
Date of Issue 2016-01-21 (US) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee US EA  
Conference Date 2016-01-28 - 2016-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kansai University, Centenary Memorial Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics, and Related Topics 
Paper Information
Registration To US 
Conference Code 2016-01-US-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Control of light transmission through the Nematic liquid crystal using ultrasound 
Sub Title (in English)  
Keyword(1) Nematic liquid crystal  
Keyword(2) Control of molecular orientaion  
Keyword(3) Flexural vibration  
Keyword(4) Acousitc radiation force  
1st Author's Name Satoki Taniguchi  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Yuki Shimizu  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
3rd Author's Name Akira Emoto  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Daisuke Koyama  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
5th Author's Name Kentaro Nakamura  
5th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
6th Author's Name Mami Matsukawa  
6th Author's Affiliation Doshisha University (Doshisha Univ.)
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Date Time 2016-01-29 16:55:00 
Presentation Time 25 
Registration for US 
Paper # IEICE-US2015-107 
Volume (vol) IEICE-115 
Number (no) no.423 
Page pp.135-138 
#Pages IEICE-4 
Date of Issue IEICE-US-2016-01-21 

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