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Paper Abstract and Keywords
Presentation 2011-01-21 14:15
Homogeneity Evaluation of a Synthetic Silica Glass Ingot by the Ultrasonic Microspectroscopy Technology
Jun-ichi Kushibiki, Mototaka Arakawa, Yuji Ohashi, Yuko Maruyama (Tohoku Univ.), Hideharu Horikoshi, Kenji Moriyama (Tosoh SGM) US2010-108
Abstract (in Japanese) (See Japanese page) 
(in English) Homogeneities of a synthetic silica glass ingot were evaluated by the ultrasonic microspectroscopy technology. Specimens prepared from around the central axis of the ingot were heat-treated at desired annealing temperatures from 900 to 1150°C. Longitudinal velocities (Vl), leaky surface acoustic wave (LSAW) velocities (VLSAW), and densities (ρ) were measured to obtain relationships between acoustic properties and fictive temperatures Tf. Then, distributions of VLSAW and Vl were measured along the radial direction of the ingot. OH concentrations and Tf were measured by infrared spectroscopy. Optical retardations were also measured by optical heterodyne interferometry. From the results, we demonstrated that Tf distributions of glass ingot can be obtained by Vl measurements and variations caused by the residual stresses could be evaluated by VLSAW measurements.
Keyword (in Japanese) (See Japanese page) 
(in English) ultrasonic micro-spectroscopy technology / synthetic silica glass / fictive temperature / longitudinal velocity / leaky surface acoustic wave velocity / density / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 366, US2010-108, pp. 95-100, Jan. 2011.
Paper # US2010-108 
Date of Issue 2011-01-13 (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)
Download PDF US2010-108

Conference Information
Committee EA US  
Conference Date 2011-01-20 - 2011-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Doshisha Univ. 
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 2011-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Homogeneity Evaluation of a Synthetic Silica Glass Ingot by the Ultrasonic Microspectroscopy Technology 
Sub Title (in English)  
Keyword(1) ultrasonic micro-spectroscopy technology  
Keyword(2) synthetic silica glass  
Keyword(3) fictive temperature  
Keyword(4) longitudinal velocity  
Keyword(5) leaky surface acoustic wave velocity  
Keyword(6) density  
1st Author's Name Jun-ichi Kushibiki  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Mototaka Arakawa  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Yuji Ohashi  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Yuko Maruyama  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Hideharu Horikoshi  
5th Author's Affiliation Tosoh SGM Co. (Tosoh SGM)
6th Author's Name Kenji Moriyama  
6th Author's Affiliation Tosoh SGM Co. (Tosoh SGM)
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Date Time 2011-01-21 14:15:00 
Presentation Time 30 
Registration for US 
Paper # IEICE-US2010-108 
Volume (vol) IEICE-110 
Number (no) no.366 
Page pp.95-100 
#Pages IEICE-6 
Date of Issue IEICE-US-2011-01-13 

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