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Paper Abstract and Keywords
Presentation 2018-12-10 13:55
Acoustic focusing to the waveguides utilizing double parabolic reflectors
Kang Chen (The Univ. of Tokyo), Takasuke Irie (Microsonic Co), Takashi Iijima (AIST), Takeshi Morita (The Univ. of Tokyo) US2018-71
Abstract (in Japanese) (See Japanese page) 
(in English) Acoustic waveguides are utilized for guiding sound waves and have been universally exploited for low-loss ultrasound transmission. In this presentation, different physical configurations of waveguides for ultrasound propagation are compared in terms of acoustic pressure, power and propagation modes. To obtain powerful ultrasound, novel configuration is proposed based on parabolic focusing technique, two parabolic reflectors are oppositely arranged for focusing and guiding ultrasound. The proposed mechanism can generate plane and powerful ultrasound with over 2.4 times larger than the conventional configuration in acoustic pressure amplitude, which results in superior performance for ultrasound imaging and therapeutic applications.
Keyword (in Japanese) (See Japanese page) 
(in English) Piezoelectric / Ultrasound / Waveguide / Parabolic reflector / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 353, US2018-71, pp. 5-10, Dec. 2018.
Paper # US2018-71 
Date of Issue 2018-12-03 (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  
Conference Date 2018-12-10 - 2018-12-10 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To US 
Conference Code 2018-12-US 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Acoustic focusing to the waveguides utilizing double parabolic reflectors 
Sub Title (in English)  
Keyword(1) Piezoelectric  
Keyword(2) Ultrasound  
Keyword(3) Waveguide  
Keyword(4) Parabolic reflector  
1st Author's Name Kang Chen  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Takasuke Irie  
2nd Author's Affiliation Mircosonic Co., Ltd. (Microsonic Co)
3rd Author's Name Takashi Iijima  
3rd Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
4th Author's Name Takeshi Morita  
4th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
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Date Time 2018-12-10 13:55:00 
Presentation Time 25 
Registration for US 
Paper # IEICE-US2018-71 
Volume (vol) IEICE-118 
Number (no) no.353 
Page pp.5-10 
#Pages IEICE-6 
Date of Issue IEICE-US-2018-12-03 

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