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Paper Abstract and Keywords
Presentation 2012-12-18 14:35
Frequency-Tunable Narrowband Time-Domain Terahertz Wave Generation by Optical Rectification
Caihong Zhang (Osaka Univ.), Yuri Avetisyan (Yerevan State Univ.), Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi (Osaka Univ.) ED2012-110
Abstract (in Japanese) (See Japanese page) 
(in English) During the last decades, narrowband terahertz (THz) radiation has attracted great interests in both fundamental and applied sciences. For many applications, the tunability of both central frequency and bandwidth of the narrowband THz radiation are required. In this paper, a simple scheme to generate high energy, frequency and bandwidth tunable multi-cycle THz pulses by optical rectification of femtosecond laser pulses in periodically poled lithium niobate (PPLN) crystal is proposed and demonstrated. The central frequency can be tuned by varying the incident angle between the pump beam and the domain walls of a periodically poled lithium niobate crystal. The opportunity of easily tuning the bandwidth of THz generation from about 20 GHz to a few THz exists by changing the pump spot size on PPLN crystal, and the energy spectral density of narrowband THz generation is almost independent of the bandwidth.
Keyword (in Japanese) (See Japanese page) 
(in English) Narrowband / Optical Rectification / Frequency-tunable / Bandwidth-tunable / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 364, ED2012-110, pp. 93-97, Dec. 2012.
Paper # ED2012-110 
Date of Issue 2012-12-10 (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)
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Conference Information
Committee ED  
Conference Date 2012-12-17 - 2012-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Millimeter wave / Terahertz devices and systems 
Paper Information
Registration To ED 
Conference Code 2012-12-ED 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Frequency-Tunable Narrowband Time-Domain Terahertz Wave Generation by Optical Rectification 
Sub Title (in English)  
Keyword(1) Narrowband  
Keyword(2) Optical Rectification  
Keyword(3) Frequency-tunable  
Keyword(4) Bandwidth-tunable  
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1st Author's Name Caihong Zhang  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Yuri Avetisyan  
2nd Author's Affiliation Yerevan State University (Yerevan State Univ.)
3rd Author's Name Iwao Kawayama  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Hironaru Murakami  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Masayoshi Tonouchi  
5th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2012-12-18 14:35:00 
Presentation Time 25 minutes 
Registration for ED 
Paper # ED2012-110 
Volume (vol) vol.112 
Number (no) no.364 
Page pp.93-97 
#Pages 5 
Date of Issue 2012-12-10 (ED) 

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