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Paper Abstract and Keywords
Presentation 2010-11-11 15:20
100 mW Deep Ultraviolet Emission from AlGaN/AlN Quantum Wells by Electron Beam Pumping
Takao Oto, Ryan G. Banal (Kyoto Univ.), Ken Kataoka (Ushio Inc.), Mitsuru Funato, Yoichi Kawakami (Kyoto Univ.) ED2010-150 CPM2010-116 LQE2010-106 Link to ES Tech. Rep. Archives: ED2010-150 CPM2010-116 LQE2010-106
Abstract (in Japanese) (See Japanese page) 
(in English) The external quantum efficiencies of AlGaN-based deep ultraviolet light emitting diodes are less than 5%, due to the causes such as low hole concentration in p-type AlGaN. To avoid problems associated with p-type AlGaN and to obtain the deep ultraviolet emission with high power and efficiency, high-quality Al-rich AlGaN/AlN quantum wells were pumped by an electron beam. An output of 100 mW and a power efficiency of 40% have been achieved at a wavelength of about 240 nm by optimizing both the electron beam condition and the quantum well structure.
Keyword (in Japanese) (See Japanese page) 
(in English) electron beam pumping / deep ultraviolet light source / AlGaN/AlN quantum well / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 273, LQE2010-106, pp. 37-40, Nov. 2010.
Paper # LQE2010-106 
Date of Issue 2010-11-04 (ED, CPM, LQE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 ED2010-150 CPM2010-116 LQE2010-106 Link to ES Tech. Rep. Archives: ED2010-150 CPM2010-116 LQE2010-106

Conference Information
Committee CPM LQE ED  
Conference Date 2010-11-11 - 2010-11-12 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To LQE 
Conference Code 2010-11-CPM-LQE-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 100 mW Deep Ultraviolet Emission from AlGaN/AlN Quantum Wells by Electron Beam Pumping 
Sub Title (in English)  
Keyword(1) electron beam pumping  
Keyword(2) deep ultraviolet light source  
Keyword(3) AlGaN/AlN quantum well  
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1st Author's Name Takao Oto  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Ryan G. Banal  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Ken Kataoka  
3rd Author's Affiliation Ushio Inc. (Ushio Inc.)
4th Author's Name Mitsuru Funato  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
5th Author's Name Yoichi Kawakami  
5th Author's Affiliation Kyoto Univerisity (Kyoto Univ.)
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Speaker Author-1 
Date Time 2010-11-11 15:20:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # ED2010-150, CPM2010-116, LQE2010-106 
Volume (vol) vol.110 
Number (no) no.271(ED), no.272(CPM), no.273(LQE) 
Page pp.37-40 
#Pages
Date of Issue 2010-11-04 (ED, CPM, LQE) 


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