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Paper Abstract and Keywords
Presentation 2012-09-07 13:20
Complex Permittivity Measurement of D2O by Waveguide Penetration Method in Millimeter-Wave Band
Yoshii Sugeno, Alfred Kik, Yukihisa Suzuki (TMU) EMCJ2012-55
Abstract (in Japanese) (See Japanese page) 
(in English) In millimeter-wave band, there are a few studies for the measurement of complex permittivity on D2O. In this study, the measurement of complex permittivity of D2O is performed using the wave-guide penetration method from 33 GHz to 65 GHz. Values of both real and imaginary part of the complex permittivity for D2O are smaller than those for H2O in this measurement. Dielectric relaxation times of D2O and H2O are estimated from measurement data with the regression analysis. Debye’s relaxation theory and Kaatze’s empirical formula which is modified Debye’s theory is used for the estimation of ε(0), ε(∞) and relaxation time τ in the regression analysis. Relaxation times for D2O and H2O are 8.81×10^－12 s and 7.69×10^－12 s, respectively. It is found that the relaxation time for D2O is longer than that for H2O. The relaxation time for orientation polarization increases according to the increment of the mass for the target molecule. Therefore, estimated relaxation time for D2O is appropriate, because the weight of D2O is larger than that of H2O by the mass of two neutrons.
Keyword (in Japanese) (See Japanese page) 
(in English) heavy water / waveguide-penetration method / complex permittivity measurement / millimeter-wave / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 201, EMCJ2012-55, pp. 19-23, Sept. 2012.
Paper # EMCJ2012-55 
Date of Issue 2012-08-31 (EMCJ) 
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 EMCJ  
Conference Date 2012-09-07 - 2012-09-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Hkkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Biomedical EMC, etc. 
Paper Information
Registration To EMCJ 
Conference Code 2012-09-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Complex Permittivity Measurement of D2O by Waveguide Penetration Method in Millimeter-Wave Band 
Sub Title (in English)  
Keyword(1) heavy water  
Keyword(2) waveguide-penetration method  
Keyword(3) complex permittivity measurement  
Keyword(4) millimeter-wave  
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1st Author's Name Yoshii Sugeno  
1st Author's Affiliation Tokyo Metropolitan University (TMU)
2nd Author's Name Alfred Kik  
2nd Author's Affiliation Tokyo Metropolitan University (TMU)
3rd Author's Name Yukihisa Suzuki  
3rd Author's Affiliation Tokyo Metropolitan University (TMU)
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Speaker Author-1 
Date Time 2012-09-07 13:20:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2012-55 
Volume (vol) vol.112 
Number (no) no.201 
Page pp.19-23 
#Pages 5 
Date of Issue 2012-08-31 (EMCJ) 

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