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Paper Abstract and Keywords
Presentation 2014-08-25 14:40
Refraction index of phononic crystal lens influenced by structure parameter and analysis of sound field focusing by phononic crystal lens
Takenobu Tsuchiya, Kazuma Shimizu, Tetsuo Anada, Nobuyuki Endoh (Kanagawa Univ.), Sayuri Matsumoto (PARI), Kazuyoshi Mori (NDA) US2014-37
Abstract (in Japanese) (See Japanese page) 
(in English) Phononic crystal structure with a negative refractive index is able to produce a planar acoustic lens having high resolution. As for the condition that phononic crystal structure has a negative refractive index toward, it is determined by the lattices spacing of the phononic crystal, a radius of lattice, and sound velocity of around media. In this report, the influence by structure parameters of phononic crystal to a refractive index of the planer acoustic lens constructed with phononic crystal is described. Furthermore, the influence by structure parameters of phononic crystal to the focusing sound field by planar lens is examined by numerical analysis.
Keyword (in Japanese) (See Japanese page) 
(in English) Phononic crystal structure / Planar acoustic lens / Negative refractive index / Structure parameters / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 190, US2014-37, pp. 25-28, Aug. 2014.
Paper # US2014-37 
Date of Issue 2014-08-18 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
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 2014-08-25 - 2014-08-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology, Ookayama Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Underwater Acoustics, General(Co-Organization:The Marine Acoustics Society of Japan) 
Paper Information
Registration To US 
Conference Code 2014-08-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Refraction index of phononic crystal lens influenced by structure parameter and analysis of sound field focusing by phononic crystal lens 
Sub Title (in English)  
Keyword(1) Phononic crystal structure  
Keyword(2) Planar acoustic lens  
Keyword(3) Negative refractive index  
Keyword(4) Structure parameters  
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1st Author's Name Takenobu Tsuchiya  
1st Author's Affiliation Kanagawa University (Kanagawa Univ.)
2nd Author's Name Kazuma Shimizu  
2nd Author's Affiliation Kanagawa University (Kanagawa Univ.)
3rd Author's Name Tetsuo Anada  
3rd Author's Affiliation Kanagawa University (Kanagawa Univ.)
4th Author's Name Nobuyuki Endoh  
4th Author's Affiliation Kanagawa University (Kanagawa Univ.)
5th Author's Name Sayuri Matsumoto  
5th Author's Affiliation The Port and Airport Research Institute (PARI)
6th Author's Name Kazuyoshi Mori  
6th Author's Affiliation National Defense academy (NDA)
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Speaker Author-1 
Date Time 2014-08-25 14:40:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2014-37 
Volume (vol) vol.114 
Number (no) no.190 
Page pp.25-28 
#Pages
Date of Issue 2014-08-18 (US) 


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