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Paper Abstract and Keywords
Presentation 2007-06-29 15:50
Design for glass-based guided-wave optical microphone with a diaphragm -- Sensitivity dependence with respect to thickness and side length ratio of the diaphragm --
Hiroyuki Nikkuni, Yu Watanabe, Masashi Ohkawa, Seishi Sekine, Takashi Sato (Niigata Univ.) OPE2007-26 LQE2007-27
Abstract (in Japanese) (See Japanese page) 
(in English) Sensitivity of a guided-wave optical microphone is theoretically found to be inversely proportional to the square of the diaphragm thickness. Also, according to the theoretical analysis, sensitivity increases with an increase in side length ratio for the side length ratio of less than unity, but the sensitivity shows a plateau for the ratio of more than unity. These dependencies, however, have not been demonstrated experimentally, although they are important in the designing of the optical microphone. In this study, these dependencies were examined experimentally. Based on the sensitivity dependence with respect to the diaphragm dimensions, the optical microphone with a 20 mmX20 mmX0.15 mm diaphragm was fabricated, and then successfully detected a sound wave of 100 dB-SPL.
Keyword (in Japanese) (See Japanese page) 
(in English) optical microphone / optical waveguide / glass / diaphragm / elasto-optic effect / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 124, OPE2007-26, pp. 53-58, June 2007.
Paper # OPE2007-26 
Date of Issue 2007-06-22 (OPE, LQE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF OPE2007-26 LQE2007-27

Conference Information
Committee LQE OPE  
Conference Date 2007-06-29 - 2007-06-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OPE 
Conference Code 2007-06-LQE-OPE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design for glass-based guided-wave optical microphone with a diaphragm 
Sub Title (in English) Sensitivity dependence with respect to thickness and side length ratio of the diaphragm 
Keyword(1) optical microphone  
Keyword(2) optical waveguide  
Keyword(3) glass  
Keyword(4) diaphragm  
Keyword(5) elasto-optic effect  
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Keyword(7)  
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1st Author's Name Hiroyuki Nikkuni  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Yu Watanabe  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Masashi Ohkawa  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Seishi Sekine  
4th Author's Affiliation Niigata University (Niigata Univ.)
5th Author's Name Takashi Sato  
5th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2007-06-29 15:50:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # OPE2007-26, LQE2007-27 
Volume (vol) vol.107 
Number (no) no.124(OPE), no.125(LQE) 
Page pp.53-58 
#Pages 6 
Date of Issue 2007-06-22 (OPE, LQE) 

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