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Paper Abstract and Keywords
Presentation 2018-12-17 17:00
High-average-power terahertz-wave parametric source for imaging applications
Yoshikiyo Moriguchi, Yu Tokizane, Kouji Nawata, Yuma Takida (RIKEN), Shigenori Nagano (Topcon), Hiroaki Minamide (RIKEN) ED2018-60
Abstract (in Japanese) (See Japanese page) 
(in English) We report a high pulse-repetition-frequency (PRF) terahertz (THz)-wave parametric generator. The THz-wave parametric generator has been developed mainly in the PRF below 100 Hz regime, to obtain high peak outputs. In this study, we investigated the possibility of THz-wave generation at the PRF of 100 kHz and succeeded in generating THz waves for the first time in this PRF regime. We identified that the photorefractive damage of lithium niobate crystal (LN) greatly affects the parametric generation efficiency. About 10 times higher THz-wave generation efficiency was confirmed by using stoichiometric LN, which has a strong photorefractive resistance, instead of congruent LN.
Keyword (in Japanese) (See Japanese page) 
(in English) Terahertz-wave generation / Nonlinear optical down conversion / Lithium niobate / Photorefractive effect / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 368, ED2018-60, pp. 27-30, Dec. 2018.
Paper # ED2018-60 
Date of Issue 2018-12-10 (ED) 
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 ED2018-60

Conference Information
Committee ED THz  
Conference Date 2018-12-17 - 2018-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) RIEC, Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Millimeter-wave, terahertz-wave devices and systems 
Paper Information
Registration To ED 
Conference Code 2018-12-ED-THz 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-average-power terahertz-wave parametric source for imaging applications 
Sub Title (in English)  
Keyword(1) Terahertz-wave generation  
Keyword(2) Nonlinear optical down conversion  
Keyword(3) Lithium niobate  
Keyword(4) Photorefractive effect  
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1st Author's Name Yoshikiyo Moriguchi  
1st Author's Affiliation RIKEN (RIKEN)
2nd Author's Name Yu Tokizane  
2nd Author's Affiliation RIKEN (RIKEN)
3rd Author's Name Kouji Nawata  
3rd Author's Affiliation RIKEN (RIKEN)
4th Author's Name Yuma Takida  
4th Author's Affiliation RIKEN (RIKEN)
5th Author's Name Shigenori Nagano  
5th Author's Affiliation Topcon Corporation (Topcon)
6th Author's Name Hiroaki Minamide  
6th Author's Affiliation RIKEN (RIKEN)
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Speaker Author-1 
Date Time 2018-12-17 17:00:00 
Presentation Time 25 minutes 
Registration for ED 
Paper # ED2018-60 
Volume (vol) vol.118 
Number (no) no.368 
Page pp.27-30 
#Pages 4 
Date of Issue 2018-12-10 (ED) 

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